Answers
P(k;n,p) = C(n,k) * p^k * (1-p)^(n-k)
Where:
k is the number of successful outcomes, in this case the number of smartphone users who use their devices in meetings or classes
n is the total number of trials, in this case the total number of smartphone users we are selecting
p is the probability of success, in this case the probability that a smartphone user uses their device in meetings or classes
First, we need to calculate the probability that exactly 0 smartphone users use their devices in meetings or classes. This is given by:
P(0;15,0.49) = C(15,0) * 0.49^0 * (1-0.49)^15 = 0.26
Next, we need to calculate the probability that exactly 1 smartphone user uses their device in meetings or classes. This is given by:
P(1;15,0.49) = C(15,1) * 0.49^1 * (1-0.49)^14 = 0.33
Finally, we need to calculate the probability that exactly 2 smartphone users use their devices in meetings or classes. This is given by:
P(2;15,0.49) = C(15,2) * 0.49^2 * (1-0.49)^13 = 0.15
The probability of having fewer than 3 smartphone users among 15 users is given by the sum of the probabilities of having 0, 1, or 2 smartphone users, which is 0.26 + 0.33 + 0.15 = 0.74. This means that there is a 74% probability that fewer than 3 of the 15 selected smartphone users use their devices in meetings or classes.
The probability that fewer than 3 of the 15 smartphone users use their phones in meetings or classes is 7.46%.
What is the binomial probability theorem?The binomial probability formula.
P(X = k) = \(^nC_r\) \(P^k\) \((1 - P)^{n - k}\)
where n is the sample size, k is the number of successes, P is the probability of success, (P - 1) is the failure.
We have,
The required probability.
P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2)
Where X is the number of smartphone users out of 15 who use their phones in meetings or classes.
Now,
Using the binomial probability.
P(X = k) = \(^nC_r\) \(P^k\) \((1 - P)^{n - k}\)
where n is the sample size, k is the number of successes (using their smartphones in meetings or classes), p is the probability of success (49%), and (n choose k) is the number of ways to choose k successes out of n trials.
We get,
P(X = 0) = \(^{15}C_0\) x \(0.49^0\) x \(0.51^{15}\) = 0.0018
P(X = 1) = \(^{15}C_1\) x \(0.49^1\) x \(0.15^{14}\) = 0.0149
P(X = 2) = \(^{15}C_2 \times 0.49^2 \times 0.49^{13}\) = 0.0579
The probability of fewer than 3 smartphone users using their phones in meetings or classes.
P(X < 3)
= P(X = 0) + P(X = 1) + P(X = 2)
= 0.0018 + 0.0149 + 0.0579
= 0.0746
= 0.0746 x 100
= 7.46%
Thus,
The probability that fewer than 3 of the 15 smartphone users use their phones in meetings or classes is 7.46%.
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Related Questions
orty-five percent of all registered voters in a particular state prefer life in prison without parole over the death penalty for a person convicted of first degree murder. Among Latino registered voters in the state, 57% prefer life in prison without parole over the death penalty for a person convicted of first degree murder. 37.2% of all citizens in the state are Latino. In this problem, define variables as the following. • C = Registered voters preferring life in prison without parole over the death penalty for a person convicted of first degree murder. • L = Latino citizens Suppose that one registered voter is randomly selected. Find P(C|L). (Enter an exact number as an integer, fraction, or decimal.) P(C|L) =
Answers
Answer:
its c
Explanation:
Typically, the ice sheet begins to show evidence of thawing in late summer, following several weeks of higher temperatures. For example, in the summer of 2012, virtually the entire Greenland Ice Sheet underwent thawing at or near its surface by mid-July, the earliest date on record.
A) NO CHANGE
B) However,
C) As such,
D) Moreover,
hint its not a or c
Answers
Underline the predicate and determine its type
A)Caroline was getting dinner ready in the kitchen
B)He must stop making up excuses
Answers
Kitchen and Excuses are predicate. In linguistics and its subfields, the word "predicate" is used in one of two contexts.
The first regards a predicate as only the main content verb or accompanying predicative expression of a clause, while the second sees it as everything in a conventional declarative sentence other than the subject.
As a result, the predicate of the statement Frank likes cake is loves cake according to the first definition. According to the second meaning, the same sentence's predicate is only the content verb "likes," with Frank and cake serving as the predicate's arguments.
The predicate gives details about the subject, including who or what it is, what it is doing, and how it behaves. A nexus is a relationship between a subject and its predicate.
Thus, Kitchen and Excuses are predicate. In linguistics and its subfields, the word "predicate" is used in one of two contexts.
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List two personal attribute categories out of the four used to determine who
receives scholarships
Answers
A strong work ethic and dedication to excellence complement the intellectual vitality of scholars.
What is Scholar Qualities?Robert W. Woodruff left behind a tradition of ardent intellectual curiosity, innovative leadership, and a strong drive to use one's gifts and abilities for the good of others rather than for personal acclaim, which is carried on by Woodruff Scholars. These qualities are condensed into the Scholar Qualities, which serve both the selection criterion for Scholars and the moral principles that aid Woodruff Scholars during their time at Emory and beyond.The legacy of Robert W. Woodruff's selfless altruism is honored. Woodruff went by the moniker "Mr. Anonymous" for many years. He donated out of conviction rather than a desire for praise or glory. The decisions made by scholars are driven by strong, selfless character, which manifests as kindness, empathy, and a clear desire to improve the lives of others at Emory and in the larger community.In order to transform this compassion and empathy into practical activity that benefits their communities, scholars must use innovation and leadership. They see the world changing for the better and provide workable answers to some of the most challenging issues.The core of this creative work is intellectual and personal vitality. The challenging concerns, convoluted questions, and uncomfortable challenges posed by contemporary cultures excite scholars to tackle them. They create new connections, develop effective problem-solving techniques, and work with others to bring about change by applying their intelligence, creativity, and resiliency.As evidenced by their exceptional academic success, scholars exhibit a strong work ethic and dedication to excellence in addition to their intellectual vigor.Scholars are aware of the value of interpersonal ties in leadership and are skilled at using language to build relationships. They have the communication abilities to express their point of view while being sensitive to the requirements of various audiences. Scholars are open to different viewpoints and show a genuine interest in hearing about other people's experiences by listening as frequently and attentively as they talk.To Learn more About scholars Refer To :
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Once you have completed it, use your graphic organizer to write an argument that supports the
assumption that gravity pulls all objects down toward the center of Earth. Your report should include
an introductory paragraph, followed by a body paragraph, and finally a concluding paragraph. 100 points
Answers
An assumption that gravity pulls all objects down toward the center of Earth is that The Earth's mass leads to a warp in space-time that brings about a worldline to shift towards its center.
Does gravity pull down or to the center?Objects are always drawn toward the ground by gravity (or the center of Earth). Regardless of where you are on the planet, gravity causes objects to descend toward the center. A ball will always descend toward the ground at numerous sites around the planet, thus I know this.
Note that all items on Earth are drawn "downward" by gravity toward the planet's core. The gravitational attraction between two bodies is stronger when they are closer and heavier, according to Sir Isaac Newton's Universal Law of Gravitation.
Therefore, Gravity is an inescapable force that draws everything together. You remain on the ground thanks to Earth's gravity, which also causes objects to fall. Gravity applies to everything that has mass.
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Answer:
object is the center of gravity
Explanation:
Recent research has shown that lecturers are among the most stressed workers. A researcher wanted to know exactly what it was about being a lecturer that created this stress and subsequent burnout. She recruited 75 lecturers and administered several questionnaires that measured: Burnout (high score = burnt out), Perceived Control (high score = low perceived control), Coping Ability (high score = low ability to cope with stress), Stress from Teaching (high score = teaching creates a lot of stress for the person), Stress from Research (high score = research creates a lot of stress for the person), and Stress from Providing Pastoral Care (high score = providing pastoral care creates a lot of stress for the person). The outcome of interest was burnout, and Cooper’s (1988) model of stress indicates that perceived control and coping style are important predictors of this variable. The remaining predictors were measured to see the unique contribution of different aspects of a lecturer’s work to their burnout. What does the scatterplot show?
Answers
A scatter plot is a diagram that represents a correlation between two continuous variables. The scatter plot is one of the best-known graphs since it is frequently used in research studies. The scatter plot shows the distribution of the outcome variable on the Y-axis and the predictor variable on the X-axis.
The scatterplot shows the relationship between the predictor variables and the outcome variable. In the given scenario, the predictor variables are Burnout, Perceived Control, Coping Ability, Stress from Teaching, Stress from Research, and Stress from Providing Pastoral Care.
The outcome variable of interest is burnout.The scatter plot shows the relationships among the different predictors and the outcome variable. It also shows whether there is a positive, negative, or no correlation between the predictor and outcome variables.
Scatter plots are usually used to understand whether there is a linear or non-linear correlation between the predictor variables and the outcome variable.In the given case, the scatter plot shows the relationship between burnout and the predictor variables.
This relationship is represented by the scatter plot, and it can be used to predict the impact of each predictor on burnout. The scatter plot can be used to identify the predictor variables that have a significant impact on burnout and which can be targeted to reduce the stress and burnout among the lecturers.
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which game is more difficult? Shogi or chess
Answers
Answer:
Shogi because I haven't played it yet..........
Answer:
Shogi is more difficult than chess.. because once player an opponent's piece they can use that piece as own..Explanation:
I hope this helps u..How do I start my Campaign?
Answers
How to Launch a Marketing Campaign for Your Small Business in 7 Easy Steps:
Step 1: Choose Your End Goal. ...
Step 2: Set Your Campaign Budget. ...
Step 3: Identify Your Target Audience. ...
Step 4: Design Your Content. ...
Step 5: Choose Your Channels. ...
Step 6: Launch and Monitor. ...
Step 7: Analyze the Results.
The information above was retrieved from the following website:
https://paysimple.com/blog/how-to-launch-a-marketing-campaign-for-your-small-business-in-7-easy-steps/
It appears you are referring to a marketing campaign.
To launch a marketing campaign, you need to first identify your target audience and understand their needs and preferences. Then, you need to determine your campaign goals and budget and come up with a clear and compelling message that will resonate with your audience.
Next, you need to decide on the right channels to reach your audiences, such as social media, email, or advertising. Once you have all of this information, you can create a plan and schedule for your campaign, and start executing on it to reach your desired goals.
What is a marketing Campaign?Marketing campaigns promote items using many forms of media, including television, radio, print, and internet platforms. Campaigns can incorporate demonstrations, video conferencing, and other interactive approaches in addition to advertising.
An advertising campaign is a collection of advertising messages that share a common topic and theme and are part of integrated marketing communication. An IMC is a platform that allows a group of individuals to pool their ideas, opinions, and thoughts into a single huge media database.
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Dale created slides with charts that support information in his presentation. What should do when he presents these slides? (3 points)
O a
Let the audience read the slides silently.
Ob
Click through them quickly without saying anything.
oc
Briefly explain what the charts mean before moving on.
Od
Point to the charts and speak faster to keep the audience engaged.
Answers
Answer:
C
Explanation:
I took the test.
does anyone have any strategies for the sat? or any book recommendations? most brainliest
Answers
Answer:
For the SAT I would just study EVERYTHING so that you will be mostly prepared
Explanation:
Book Recommendations:
Divergent series
Twilight Saga (this one's questionable for some people)
Delerium Series
One Day
Pride and Prejudice
Narnia
The lord of the Rings
these are some of my favorites :)
A classic counting problem is to determine the number of different ways that the letters of broccoli can be arranged. Find that number.
Answers
Answer:
10080
Explanation:
To find the number of different ways that the letters of the word "broccoli" can be arranged, we can use the concept of permutations. The word "broccoli" has 8 letters, including 2 "o"s, and 2 "c"s.
To calculate the number of arrangements, we need to consider the total number of letters and account for any repetitions. We can use the formula for permutations with repeated elements:
n! / (n1! * n2! * ... * nk!)
Where:
n is the total number of elements
n1, n2, ..., nk are the number of repetitions for each element
In this case, the word "broccoli" has a total of 8 letters, with 2 "o"s and 2 "c"s. Substituting these values into the formula, we get:
8! / (2! * 2!)
Calculating this expression:
8! = 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1 = 40,320
2! = 2 * 1 = 2
(40,320) / (2 * 2) = 40,320 / 4 = 10,080
Therefore, there are 10,080 different ways that the letters of the word "broccoli" can be arranged.
Answer:
The letters of the word "BROCCOLI" can be arranged in 10,080 different ways.
Calculating Arrangements :
The two counting terms in mathematics are Permutations and Combinations
Combinations are used in finding the number of ways of selecting a set of items from the given set.
Permutations are used to find the number of arrangements after selection from a given set of items.
The formulation of arranging and selecting 'r' items from 'n' items is:
Here, we need to find the number of arrangements using the letters of the word "BROCCOLI". So, we need to use Permutation. Also, the arrangement involves no selection as all the letters are to be used, we have n = r.
The total letters in the word "BROCCOLI" = 8
The unique letters in the word "BROCCOLI" are: B, R, L, I i.e. (4)
The other letter repetitions are :
The letter 'O' appears twice i.e. 2
The letter 'C' appears twice i.e. 2
So, the number of different arrangements possible are :
= Total arrangements / Arrangements reduce due to duplicate letters
Hence, the letters of the word Broccoli can be arranged in 10,080 ways.
TRAINING
Question:
There are 28 women and 21 men attending Online Webinar What
is the ratio of women to the total number of people?
CHOOSE ONE:
SONY
B
Answers
Answer:
I think the answer for this question is, 4/7.
You will need the following materials:
2 cake pans
10 cups of sand
a spray bottle with water
4-6 ice cubes
a straw
a pair of goggles
a blow dryer
newspaper or other table covering
four pans partially filled with sand, one with a spray bottle, one with ice cubes, one with a straw, and one with a blow dryer
Hypothesis and Data Collection: Water (Pans 1 and 2)
Divide the sand into two equal parts. Put one part of the sand in pan 1 and another part in pan 2. In each pan, push all the sand to one end, as shown in the image.
Part A
In pan 1, you’ll spray the sand with water. In pan 2, you’ll set ice cubes on the sand to melt. Predict what will happen in each pan.
Part B
Now, spray the water on top of the sand in pan 1. Then set the ice cubes on the top of the sand in pan 2. Wait for the ice cubes to start melting. Then write down your observations about the sand in each pan.
Answers
Answer: ........................................
Explanation:
f(x)=x-p
In the function above, p is a constant. If f(2)=5,
what is the value of f(2p)?
A) -3
B) -1
C) 3
D) 6
Answers
The value of f(2p), given that f(2) = 5 and p is a constant is -3 (option A)
How to determine the value of f(2p)?First, we shall obtain the value of p. Details below:
Function: f(x) = x - pf(2) = 5Value of p =?f(x) = x - p
But,
f(2) = 5
5 = 2 - p
Collect like terms
p = 2 - 5
= -3
Finally, we shall obtain the value of f(2p). Details below:
Function: f(x) = x - pp = constant = -3Value of f(2p) =?f(x) = x - p
But
x = 2p
f(2p) = 2p - p
f(2p) = p
But
p = -3
Thus,
f(2p) = -3
Therefore, we can conclude that the value of f(2p) is -3 (option A)
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one of the main characteristics of the U.S economic system is:
A) reducing competition in important industries.
B) forcing businesses to prioritize workers over profit.
C) promoting economic freedom for consumers.
D)expanding the role of the government in the economy.
Answers
Answer: A limited government, in its purest, most basic form, is a body whose primary role is to protect people and their property, and it levies only enough taxes to fund services relevant to these goals, such as national defense and law enforcement.
So, Option D is the correct characteristic of the U.S. economic system.
From: BRAINLY mahak08
One of the main characteristics of the U.S economic system is expanding the role of the government in the economy. Thus, option D is correct.
What is an economic system?An economic system means by which the societies or the governments organize and distribute available resources, as well as services, and goods across the geographic region or the country. The main function of Economic systems is to regulate the factors of the production, including the land, capital, as well as the labour, and physical resources.
A limited government, in its purest, most basic form, is a body whose primary role is to protect people and their property, and it levies only enough taxes to fund services relevant to these goals, such as national defense and law enforcement.
An economic system has encompasses many institutions, agencies, as well as the entities, decision-making processes, and patterns of consumption that comprise the economic structure of a given community.
Thus, option D is correct.
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1 1 3
4 4 55 56
7
9
Find the interquartile range (IQR) of the data set.
Answers
Answer:
Explanation:
Order: 1,1,3,4,4,7,9,56
Median: 4
Q1: 2
Q3: 8
IQR= Q3-Q1 = 6
At LaGuardia Airport for a certain nightly flight, the probability that it will rain is 0.13 and the probability that the flight will be delayed is 0.06. The probability that it will rain and the flight will be delayed is 0.01. What is the probability that the flight would leave on time when it is raining? Round your answer to the nearest thousandth.
Answers
Answer:
.12
Explanation:
Probability that it will rain: .13Probability that the flight will leave on time: 1-.06=.94.13x.94=.12The probability that the flight would leave on time when it is raining is 0.853.
What is probability?Probability is a part of mathematics, which calculate the chance of happening of any event.
The probability is assigned as A and B.
\(P \dfrac{A}{B} =\dfrac{ P(A and B)}{P(B)}\)
When not raining on time
\(\dfrac{0.81 }{ (1 - 0.05)} = 0.853\)
Thus, the probability that the flight would leave on time when it is raining is 0.853.
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According to National Training Laboratories, which among the following produces the highest retention rate among learners?
a. Lecturing
b. Demonstrating
c. Teaching Others
d. Reading
Answers
According to National Training Laboratories, which among the following produces the highest retention rate among learners?
a. Lecturing
b. Demonstrating
c. Teaching Others
d. Reading
Question 6 of 10
Your purpose is to inform your debate team of their upcoming yearly service
project. Which of the following scenarios demonstrates the most effective
way to reach your audience by addressing the who, why, and how of your
message?
A. You will use formal language to convince your teammates of the
merit of the service project and persuade them to participate by
addressing their biases.
OB. You will use formal, academic language to show your superiority
and convince them that the service project is the most important
event they will participate in.
OC. You will use informal but polite language to explain the purpose of
the service, discuss each person's role in the event, and provide a
schedule so they know when and where to arrive.
D. You will use informal language to text them the morning of the
event with a time and location of the event; they should know the
rest if they paid attention in class.l
Answers
Option C is the most effective way to reach the audience as it addresses the who, why, and how of the message.
Why should informal language be used?Using informal but polite language, the message explains the purpose of the service project, discusses each person's role in the event, and provides a schedule so they know when and where to arrive.
This approach is more personal and approachable, and it encourages participation by clearly outlining the expectations and benefits of the service project. It also shows respect for the audience and their time, which can help build trust and a positive working relationship.
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3.There are 4 marbles—red (R), blue (B), green (G), yellow (Y) — in a bag.
We randomly draw marbles without replacement from the bag.
a) What is the probability that the first drawing is red and the second
drawing is yellow?
Answers
Answer: 25% I think ot is right.
Which of the following is (are) true about x + 3
and 3* ?
I. X+3> 3*, for all x > 0
II. X+3> 3*, for all x < 0
Answers
Answer:
The answer is
X+3>3, for all X >0
From the video “Life Victorian Times”
What are five facts about the Rural Area/Poverty Class, that stood out for you, during the period?
Urgent!!!!
Answers
1 Many people in the rural areas worked as agricultural laborers and lived in poverty with large families crammed into small cottages.
2 The rural poor had limited access to healthcare and education, which resulted in high infant mortality rates and low literacy rates.
3 The living conditions in the rural areas were often unsanitary and unhygienic, with inadequate sewage and drainage systems.
4 Many rural families supplemented their income by taking in lodgers or performing piecework such as lace making or straw plaiting.
5 The workhouses were seen as a last resort for the rural poor, who would have to surrender their independence and live in harsh conditions in exchange for food and shelter.
From an ethics perspective public service is a public ___
Answers
What of the following does not cause a change in the net assets of a business? a. credit sale of goods. b. cash sale of goods. c. payment to a supplier by electronic transfer. d. payment of rent by standing order.
Answers
Answer:
not sure they trying do we egg ah to to the egg ah saw q do or he we to our do is so TX
The term that does not cause a change in the net assets of a business is c. payment to a supplier by electronic transfer. option C is correct.
What is net assets of a business?The total assets of a business less the total liabilities equals the entity's net assets. The sum of a company's net assets equals its stockholders' equity in whole. Net assets are divided into unrestricted net assets and restricted net assets in a nonprofit organization.
The company's balance statement contains vital information about net assets. It is equal to the total of company's gross assets less the total amount of your obligations (liabilities). The resulting sum is frequently referred to as the net asset value of business.
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There are 105 identical plastic chips number one through 105 in the box what is the probability of reaching into the box and randomly dry and the chip number 43 express your answer in a simplified fraction or decimal rounded to the fourth decimal place
Answers
Answer:
fraction: 1/105
decimal: 0.0095
Explanation:
The probability of selecting chip number 43 out of 105 identical chips is simply 1/105, as there is only one chip number 43 in the box, and a total of 105 chips.
What important role is being described?
Writes down decisions and action steps agreed upon by the team.
These are the responsibilities of a:
A:Time Keeper
B:Scribe
C:Recorder
D: Team Leader
E: Gate Keeper
Answers
Answer: D
Explanation: D
An role that is important is one that is said to be very vital to the success of a program. The role of a manager is the responsibilities of a Team Leader.
Who is a team leader?A team leader is known to be a person that is charged with the work of giving guidance, acting as a manager and also giving instruction, direction etc.
They are known to be the leadership of any group of people (the team). They are set up to achieve a good result. The team leader is one that looks into the achievements of the team.
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Which format for informational resources do you prefer? Defend your answer.
Answers
Almanac - an almanac is a book of statistical data, graphs and charts.
Atlas - a book, collection, or maps.
Encyclopedia - a comprehensive reference book containing articles on a wide range of subjects or on numerous aspects of a particular field, usually arranged alphabetically.
The probability that a randomly selected -year-old male will live to be years old is .
(a) What is the probability that two randomly selected -year-old male s will live to be years old?
(b) What is the probability that randomly selected -year-old male s will live to be years old?
Question content area bottom
The probability that a randomly selected 3 year old chipmunk will live to be 4 years old is 0.96676.
Part 1
(a) The probability that two randomly selected 3-year-old male chipmunks will live to be 4 years old is ?
B. What is the probability that nine randomly selected 3-year-old male chipmunks will live to be 4 years old?
Enter your response here.
(Round to five decimal places as needed.)
Answers
a.The probability for two chipmunks is 0.9346
b The probability that nine randomly selected 3-year-old male chipmunks will live to be 4 years old is approximately is 0.8024.
How to calculate the probability(a) Probability that two randomly selected 3-year-old male chipmunks will live to be 4 years old:
The probability that one chipmunk lives to be 4 years old is 0.96676. Since the chipmunks are randomly selected and assuming their survival is independent, we can multiply the probabilities:
Probability for one chipmunk = 0.96676
Probability for two chipmunks = 0.96676 * 0.96676 = 0.9346 (rounded to four decimal places)
(b) Probability that nine randomly selected 3-year-old male chipmunks will live to be 4 years old:
Using the same logic as in part (a), we can calculate the probability for nine chipmunks:
Probability for one chipmunk = 0.96676
Probability for nine chipmunks = 0.96676^9 = 0.8024
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A sample of 1300 computer chips revealed that 66% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature claimed that above 63% do not fail in the first 1000 hours of their use. Is there sufficient evidence at the 0.10 level to support the company's claim? State the null and alternative hypotheses for the above scenario.
Answers
The hypothesis of the question is written below
H0: (p ≤ 0.63)
H1: (p > 0.63)
How to write the hypothesisThe hypothesis for the given scenario can be summarized as follows:
Null Hypothesis (H0): The proportion of computer chips that do not fail in the first 1000 hours of use is 63% or less. (p ≤ 0.63)
Alternative Hypothesis (Ha): The proportion of computer chips that do not fail in the first 1000 hours of use is greater than 63%. (p > 0.63)
The null hypothesis assumes that the company's claim is not supported, suggesting that the proportion of chips not failing within 1000 hours is 63% or lower. T
he alternative hypothesis counters this claim and proposes that the proportion is higher than 63%. The significance level chosen for the test is 0.10, which will be used to evaluate the evidence from the sample data.
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1. Put the steps for handwriting analysis in the correct order.
Comparing questioned document with the exemplar
Reaching conclusions
Obtaining an exemplar
Answers
1. Obtaining an exemplar
2. Comparing questioned document with the exemplar
3. Reaching conclusions