Assume a recent sociological report states that university students drink 4.14 alcoholic drinks per week on average, with a standard deviation of 1.5301. Suppose Jason, a policy manager at a local university, decides to take a random sample of 150 university students to survey them about their drinking habits.
Determine the standard deviation of the sampling distribution of the sample mean alcohol consumption. Provide your answer with precision to two decimal places.
Answers
The standard deviation of the sampling distribution of the sample mean can be calculated using the formula: standard deviation of the sample mean = standard deviation of the population / square root of the sample size. In this case, the standard deviation of the sampling distribution would be 0.1258 (rounded to two decimal places).
To determine the standard deviation of the sampling distribution of the sample mean, follow these steps:
Note the population mean of alcohol consumption: 4.14 drinks per week.Note the population standard deviation: 1.5301.Determine the sample size: 150 university students.Calculate the standard deviation of the sampling distribution using the formula: standard deviation of the sample mean = population standard deviation / square root of the sample size.In this case, the calculation would be: 1.5301 / √150 = 0.1258 (rounded to two decimal places).The standard deviation of the sampling distribution of the sample mean alcohol consumption is 0.1258 (rounded to two decimal places).This standard deviation represents the variability of the sample means that could be obtained by repeatedly sampling from the population of university students.
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Related Questions
Students' Work Ethic Affected by Peer Groups, Desire to Be Popular
Answers
Students' work ethic can be influenced by their peer groups and a desire to be popular, potentially impacting their dedication and commitment to academic tasks.
The work ethic of students can be influenced by their peer groups and a desire to be popular. Here's a step-by-step explanation:
Peer groups play a significant role in shaping students' behavior and attitudes. Students often seek acceptance and validation from their peers, which can lead to conforming to certain behaviors and priorities.If a student's peer group prioritizes socializing, popularity, or engaging in non-academic activities, it can impact their work ethic. They may prioritize social interactions over studying or completing assignments.The desire to be popular can also influence students' work ethic. They may prioritize social status and fitting in with the popular crowd, which can result in neglecting academic responsibilities.Students who prioritize popularity and peer acceptance may be more concerned with their social image and peer approval rather than investing time and effort into academic pursuits.Conversely, positive peer groups and a supportive environment can foster a strong work ethic. When students are surrounded by peers who value education and achievement, they are more likely to adopt a diligent approach to their studies.In summary, the influence of peer groups and the desire to be popular can impact students' work ethic, either positively or negatively, depending on the values and behaviors promoted within those groups.
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To use R to calculate the area to the left of a z-score we can use either of: pnorm(z) pnorm(x,mu,sigma) Where z is the calculated z-score. Or, if you want to let R calculate z you can give it the original values: x: The observation of interest mu: The mean of the distribution sigma: The standard deviation of the distribution. Use the R block below to calculate the area to the left of an observation of 17 from a Normal distribution with a mean of 23 and a standard deviation of 13. Be sure to change the language in the drop-down to R Note: You can use this R code block to calculate any probabilities. Remember, you can use the fact that the total area under the curve is 1 to find the area to the right of a z-score.
Answers
pnorm(17, mean=23, sd=13) # This will return the area to the left of the observation of 17 from the normal distribution with a mean of 23 and standard deviation of 13.
What is return?Return is the process of giving back or surrendering something that was received or taken. It can refer to physical objects such as merchandise, money, or other tangible items, or it can refer to intangible things such as ideas, beliefs, or emotions. Returns are often seen in business, where customers return merchandise for a refund or exchange, or in situations such as a tenant returning keys to a landlord at the end of a lease. Returns can also be voluntary or involuntary; for example, a person might return a borrowed item voluntarily, or a company might be forced to return money because of an error. Returns are also a common concept in accounting and taxation, where revenue is returned to investors or the government in the form of dividends or taxes. In all cases, the purpose of a return is to restore the balance or relationship between two or more parties.
pnorm(17, mean=23, sd=13) # This will return the area to the left of the observation of 17 from the normal distribution with a mean of 23 and standard deviation of 13.
# To calculate the area to the right of 17, subtract the above result from 1.
1 - pnorm(17, mean=23, sd=13)
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the bell goes after recess (11:45am), and he regularly runs ou
of the room when it is time to move from the mat to his desk
Kyla has recently been diagnosed with dyslexia, and she ofte
disrupts the English class by calling out, swinging on her cha
and refusing to complete work. Kyla's work is printed on blu
paper.
Answers
Answer:
Explanation:
It sounds like both of these students may require additional support and accommodations to help them succeed in the classroom. The student who runs out of the room may benefit from a visual or auditory cue to help him transition from one activity to another. The student with dyslexia may benefit from additional support services, such as a resource teacher or assistive technology, to help her with reading and writing tasks. The use of blue paper may also be a helpful accommodation for her. It's important for the teacher to work with the students and their families to develop an individualized plan to meet their unique needs.
Answer:
For the student who regularly runs out of the room, it may be helpful to establish a clear routine and visual schedule for transitioning from the mat to the desk. You can create a picture schedule or use visual cues to help the student understand what is expected of them.
Additionally, you may want to have a conversation with the student to understand why they are running out of the room. They may be feeling overwhelmed, anxious, or bored.
Once you understand the root of the behavior, you can work together to find a solution.
For Kyla, it's important to recognize that dyslexia can make reading and writing challenging. Using blue paper can make it easier for her to read and focus on the task at hand. It may also be helpful to provide additional support during class, such as a note-taker or a reading buddy. If Kyla is disrupting the class, it may be helpful to have a behavior plan in place that outlines clear expectations and consequences. Additionally, you can work with Kyla to identify strategies that help her focus and manage her behavior, such as taking breaks, using fidgets, or practicing deep breathing.
The principle of West would academy bake an apple pie for her office staff at the end of the day one fourth of the pie remained the Secretary took home 1/2 of what was left over what fraction of the original pie did the secretary take home  secretary
Answers
Answer:
\(\dfrac{1}{8}\)
Explanation:
We are told that at the end of the day, one-fourth (1/4) of the pie was left.
If the Secretary then took home 1/2 of what was left over, this is 1/2 of 1/4 of the original pie.
To find 1/2 of 1/4, multiply the fractions:
\(\dfrac{1}{2} \times \dfrac{1}{4}=\dfrac{1 \times1}{2 \times 4}=\dfrac{1}{8}\)
Therefore, the Secretary took home one-eighth (1/8) of the original pie.
1) As a student, why you honor and obey moral rules? For the sake of your own individual benefits? or for the sake of others? or just for the sake of fulfilling ourinfallible duty?
Answers
As a student, you honor and obey moral rules "for the sake of your own individual benefits and those of others" (Option A and B)
What are moral rules?A moral rule expresses or declares a claimed relationship between a moral trait and other, grounded characteristics that are associated with its instantiation. It is often claimed that the relationship between moral characteristics and their foundations is universal.
People would be unable to coexist with other humans if such rules did not exist. People couldn't make arrangements, and they couldn't leave their stuff wherever they moved. We'd have no idea who to trust or what to anticipate from others. Civilization and social life would be impossible.
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Enumeeta and describe the corn
Answers
corn is runnner because he is so cute hehe
Where do many of the larger meteoroids come from?
Answers
need help plssss 40 PTS
Answers
Answer: a and d
Explanation:
–5x( 3x + 2) - 3x(x + 4)
Which of the following is equivalent to the
expression above?
A) -(9x - 11x2)
B) -2(9x2 + 11x)
C) -2(9x2 + 11)
D) - 2x(6x - 1)
Answers
Answer:
− 2 x ( 9 x + 11 )
Explanation:
C.
When I have an ? in something, it is easy to learn.
Answers
When I have an interest in something, it is easy to learn.
How can interest affect learning?When you approach learning with a passive or disinterested attitude, it can be difficult to retain information or apply it in real-world situations.
So embracing your natural curiosity and actively seeking out answers to your questions is a great way to make learning easier and more enjoyable as you already have a genuine interest in it and would want to learn more about it.
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Which of the following best describes how the author views people's theater?
A. Challenging to set up
B. Useful for getting a point across
C. A literacy campaign
D. It drives participation
Answers
To complete milestone 2, you will continue with the role of a newly hired business analyst who is helping the HR manager. You will further analyze the data in terms of salary, education and minority level. Follow the steps in this worksheet to further analyze the given data. On all the scenario, you will use 0.05 alpha level.
After completing the worksheet, you will summarize the results in a presentation deck. You may use the outline below for your presentation deck:
Slide 1 – Title and your name
Slide 2 – Present the bar graph that shows the average males with more than 12 years of education and females with more than 12 years of education using the standard error as error bars. Refer to requirement “1.b” in the worksheet.
Slide 3 – Show the result of the hypothesis test identifying if the average salary for males with less than or equal to 12 years of education is significantly higher or lower than the average salary of females with less than or equal to 12 years of education. Refer to requirement “1.c” in the worksheet.
Slide 4 – Present the bar graph that shows the average salary of different minority levels using the standard error as error bars. Refer to requirement “1.e” in the worksheet.
Slide 5 – Show the result of the hypothesis test identifying if the average salary for minority level 0 is significantly higher or lower than the average salary for minority level 1. Refer to requirement “1.f” in the worksheet.
Slide 6 – Show the result of the hypothesis test identifying if the average years of education for minority level 0 is significantly higher or lower than the average years of education for minority level 1.
Slide 7 – Present the table that shows the number of females with 70 or more months of job time. Refer to requirement “2.a” in the worksheet.
Slide 8 – Show the result of the hypothesis test identifying if the average amount of gains in salary for the group of females with 70 or more months of job time is significantly greater than $13,000. Refer to requirement “2.b” in the worksheet.
Slide 9 – Present the table that shows the number of males with 70 or more months of job time. Refer to requirement “2.c” in the worksheet.
Slide 10 – Show the result of the hypothesis test identifying if the average amount of gains in salary for this group significantly greater than $18,000. Refer to requirement “2.d” in the worksheet.
Slide 11 – Present the bar graph that shows the average salary of three groups identified in terms of their years of education using standard error as error bars. Refer to requirement “3.b” in the worksheet.
Slide 12 – Show the result of the hypothesis test identifying if there are any significant differences in average salary for any of the groups. Refer to requirement “3.c” in the worksheet.
Slide 13 – Write a summary of all the hypothesis tests that you conducted.
Submit the presentation deck for this assignment.
When you have submitted your assignment for grading, please return to your module to continue learning.
Answers
To add a great answer, follow the provided outline for your presentation deck, including a title slide with your name, and subsequent slides that present the requested graphs, hypothesis test results, and tables summarizing the data analysis. Submit the completed presentation deck for grading.
Create a presentation deck using a software like Microsoft PowerPoint.Start with Slide 1, adding a title and your name.On Slide 2, create a bar graph showing the average males and females with more than 12 years of education. Use standard error as error bars.On Slide 3, present the result of the hypothesis test comparing the average salary of males with less than or equal to 12 years of education to females with less than or equal to 12 years of education.Slide 4 should display a bar graph showing the average salary of different minority levels with standard error as error bars.Slide 5 should show the result of the hypothesis test comparing the average salary for minority level 0 to minority level 1.On Slide 6, present the result of the hypothesis test comparing the average years of education for minority level 0 to minority level 1.Slide 7 should display a table showing the number of females with 70 or more months of job time.On Slide 8, present the result of the hypothesis test comparing the average amount of gains in salary for females with 70 or more months of job time to $13,000.Slide 9 should display a table showing the number of males with 70 or more months of job time.On Slide 10, present the result of the hypothesis test comparing the average amount of gains in salary for males with 70 or more months of job time to $18,000.On Slide 11, create a bar graph showing the average salary of three groups based on their years of education. Use standard error as error bars.Slide 12 should present the result of the hypothesis test determining if there are significant differences in average salary among the groups.Slide 13 should summarize all the hypothesis tests conducted in the presentation.Review and proofread your presentation deck for accuracy and clarity.Submit the presentation deck for grading.For more such question on presentation
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A girafa sonhava fazer algo que o sabiá já sabia fazer. O que era?
Answers
Answer:
A girafa sonhava fazer algo que o sabiá já sabia fazer. O que era?
Explanation:
que? english please
Find the indicated z score. The graph depicts The standard normal distribution with mean 0 and Standard deviation 1. Shaded area is 0.0964
Answers
Answer:
0.86
Explanation:
The standard normal probabilities table is used to find z score. The z-score measured by following:
Z = \(\frac{x-mean}{st. deviation}\)
The z value calculated will be looked at the table to find p-value. The value 0.0964 is found in the table we get 0.86
The gross pay, benefits and job expenses for two different employees are shown below.
Employee A: gross pay $57,200, employee benefits $5,300, job expenses $800
Employee B: gross pay $56,900, employee benefits $6,200, job expenses $1,400
Which of the following is a true statement?
a.
The total employment compensations for the two employees are the same.
b.
The total employment compensation for employee A is less than that of employee B.
c.
The total employment compensation for employee A is greater than that of employee B.
d.
The total employment compensations for the two employees can not be compared
Answers
The correct statement comparing the total compensation for each employee is given as follows:
b. The total employment compensation for employee A is less than that of employee B.
How to calculate the total compensation for each employee?The total compensation for each employee is calculated as the sum of the gross pay of the employee plus any add-ons, such as employee benefits and job expenses.
Thus, the total compensation for Employee A in this problem is given as follows:
57200 + 5300 + 800 = $63,300.
The total compensation for Employee B in this problem is given as follows:
56900 + 6200 + 1400 = $64,500.
Then the total compensation for employee B is greater, meaning that statement b is correct.
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What is the total number of different 13-letter arrangements that can be
formed using the letters in the word UNCONDITIONAL?
Answers
Answer:
The total number of different 13-letter arrangements that can be formed using the letters in the word UNCONDITIONAL is 13! or 6,227,020,800.
Explanation:
Identify the types of sampling errors that exist in the following sampling designs: (4 points)
The local newspaper plans to make a prediction for a senatorial election based on a survey returned by a portion of its readers.
A radio show asks people to phone in their views on whether the United States should pay off its debt to China.
A new social media website chooses to survey the first 50 members who join to determine whether members favor the appearance of the homepage.
Your answer:
Voluntary
Nonresponse
Convenience
Nonresponse
Voluntary
Convenience
Nonresponse
Convenience
Voluntary
Voluntary
Convenience
Nonresponse
Convenience
Voluntary
Nonresponse
Answers
Answer:
the answer is NOT voluntary, convenience, nonresponse.
Explanation:
I got it wrong with this answer
The types of sampling errors that exist in the following sampling designs will be nonresponse, voluntary, and convenience.
For the first question, it should be noted that everyone cannot respond as only the people who have strong opinions will respond. Therefore, it's a nonresponse error.
For the second question, the people will have to volunteer. Therefore, it's a voluntary bias while the third one is a convenience sample as it's an easily available sample.
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What is the percentage of $33413.83 out of $183074 29
How do you get that percentage
Answers
Answer:
hey I think u missed a dot in between 74 and 29 if if there is a dot then the answer would be 18.25%
if there is not dot then u can simply get% by diving the smallee number with bigger number and multiplying it with 100
The sum of three numbers is 100. The second number is 2 times the third. The third number is 8 less than the first. What are the numbers?
Answers
Answer:
19, 54 and 27
Explanation:
54 is 2 times of 27 and 27-8=19
19+54+27=100
In a study of the accuracy of fast food drive-through orders, one restaurant had 40 orders that were not accurate among 318 orders observed. Use a 0.01 significance level to test the
claim that the rate of inaccurate orders is equal to 10%. Does the accuracy rate appear to be acceptable?
Answers
A normal distribution with a mean of zero and a standard deviation of one is known as the standard normal distribution. yes it is acceptable
Explain about the Standard normal distribution?One type of the normal distribution is the standard normal distribution. It happens when a typical random variable's mean and standard deviation are both one. In other terms, the term "standard normal distribution" refers to a normal distribution with a mean of 0 and a standard deviation of 1.
The mean, median, and mode of a normal distribution are all equal and it is symmetric, unimodal, and asymptotic. Perfect symmetry surrounds the center of a normal distribution. To put it another way, the left and right halves of the center are mirrored.
The standard normal distribution is centered at zero, and the standard deviation indicates how much a specific measurement deviates from the mean.
n = 381
Number of orders that were not exact as a percentage = 40/318 =0.125
= P - P/√p(1 - p)/n
= 0.125 - 0.10/√0.10(0.90)/381
= 0.025/√0.09/381
=0.025/0.048
=0.52
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The time in hours for a worker to repair an electrical instrument is a Normally distributed random variable with a mean of and a standard deviation of 50. The repair times for 12 such instruments chosen at random are as follows
Answers
Using the confidence interval relation, the confidence interval at 95% would be (189.790 ; 246.370)
The confidence interval could be defined thus :
\( μ ± Z_{crit}(\frac{σ}{\sqrt{n}}) \) σ = 50Zcrit at 95% = 1.96Since we are given the population standard deviation, we the Z distribution :
μ = ΣX / n = (2617 / 12) = 218.08 M.E = \( 1.96(\frac{50}{\sqrt{12}}) = 28.290 \)Substituting the values into the relation :
Lower boundary : 218.08 - 28.290 = 189.790
Upper boundary : 218.08 + 28.290 = 246.370
Hence, the confidence interval is (189.790 ; 246.370)
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the sides of a triangle are 4, 8 and 10. If the longest side of a similar triangle measures 30, find the shortest side.
Answers
The length of the shortest side of a similar triangle is 12 cm. This can be calculated through corresponding parts of similar triangles or known as CPST.
Similar Triangles have the following features:
They have equal angles.
The ratio of corresponding sides is equal
Dimensions of the original triangle are 4 * 8 * 10
Therefore, the ratio of the longest side of both triangles is = 10 : 30
= 1 : 3
The ratio of the shortest side also equals 1 : 3
Shortest side in the original triangle = 4 cm
Let the shortest side of the similar triangle be x
Therefore, the ratio of shortest sides = ratio of longest sides
4 : x = 1 : 3
\(\frac{4}{x} =\frac{1}{3}\\ x=4*3\)
x = 12cm
Thus, the length of the shortest side is 12 cm
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Circle the four prepositions in the sentence below.
On a mountain bike, you can cycle across rocky ground, along
muddy paths and over harsh terrain.
Answers
I NEED THIS QUICK PLSS BRAINLIEST TO FIRST CORRECT ANSWER!!!!
To make cookie dough, Ella mixes together ingredients including oats, raisins, eggs, sugar,
and flour. Then, to make cookies, Ella bakes the cookie dough in an oven. Which of the
following best describes the change from cookie dough to cookies?
A chemical change caused by a change in temperature
a physical change caused by a change in temperature
a chemical change caused by a mixing of ingredients
a physical change caused by a mixing of ingredients
Answers
Answer:
a physical change caused by temperature
Explanation:
This would be the correct answer because a physical change is different from a chemical change because you can actually see a physical change occuring different than the chemical change. Also, it would be a change in temperature because you are not adding any new ingredients to the cookie dough, but instead you are just putting the cookie dough through a physical temperature change. Hope this helps!
The best description of the change from cookie dough to cookies of a physical change caused by a change in temperature. The correct option is b.
What are physical changes?Physical modifications are those that affect a chemical substance's form but not its chemical content. Physical changes may normally be used to separate compounds into chemical elements or simpler compounds, but they cannot be used to separate mixtures into their component compounds.
This would be the right response since you can really see a physical change happening as opposed to a chemical change, which makes it different from the other.
Additionally, there would constitute a temperature adjustment because you are only physically adjusting the cookie dough's temperature rather than adding any additional components.
Therefore, the correct option is b, a physical change caused by a change in temperature.
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Are there other animals that you think should be considered non-human persons?
Answers
Yes, some people have argued that other animals should be considered non-human persons, including whales, dolphins, elephants, chimpanzees, and other primates.
Animals that should be considered non-human personsOther animals that have been suggested include cephalopods such as octopuses and squid, cetaceans such as porpoises and dolphins, and birds such as parrots and corvids.
The idea of non-human persons has been gaining traction in recent years, with some people arguing that certain animals should be afforded the same rights as humans. This would mean that these animals would be recognized as having their own interests and autonomy, and that they should not be subjected to exploitation or cruelty.
Advocates suggest that animals such as whales, dolphins, elephants, chimpanzees, and other primates should be considered non-human persons. They also argue that cephalopods, cetaceans, and birds such as parrots and corvids should be given similar rights. If these animals were to be recognized as non-human persons, it could have a major impact on the way that humans interact with them.
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Fix any words that are used incorrectly. If there are no errors, submit the text without
making any changes.
If Tim isn't averse to traveling for a bit longer, he could save money by taking
the train between Seattle and Portland instead of flying.
Answers
10. A researcher is interested in estimating the mean alcohol content for a particular brand of cough medicine. They randomly sample 50 bottles of this brand and find a sample mean of 8.6 (percent alcohol). Let u denote the mean alcohol content (in percent) for the population of all bottles of the brand under study. The population standard deviation is 2.2. a.) Construct a 95% confidence interval for u
Answers
Answer:
To construct a 95% confidence interval for the mean alcohol content of the population of all bottles of the brand under study, you can use the following formula:
Sample mean +/- (t-value * standard error)
The t-value can be found using a t-distribution table or a computer program. It is based on the desired confidence level (in this case, 95%) and the degrees of freedom, which is the sample size minus 1 (in this case, 50-1=49).
The standard error is calculated as:
Standard error = population standard deviation / sqrt(sample size)
Plugging in the given values, you get:
Standard error = 2.2 / sqrt(50) = 0.22
Using a t-distribution table or computer program, you can find that the t-value for a 95% confidence interval with 49 degrees of freedom is 2.01.
Therefore, the 95% confidence interval for the mean alcohol content of the population of all bottles of the brand under study is:
8.6 +/- (2.01 * 0.22)
Which simplifies to:
8.6 +/- 0.44
So the 95% confidence interval for the mean alcohol content of the population is (8.16, 8.94).
Economic questions help please
Answers
2. A senior citizen on fixed income will be upset about the increase and will have to cut back on buying some of the grocery items.
3. A restaurant owner in response to an increase in grocery store item prices might have to raise their menu prices
4. A busy single parent who already doesn’t really grocery shop much already in response to an increase in grocery items would respond by contributing to eat out more often.
What's the best way to pass your ged class?
Answers
Answer:
The best way is By not cheating
the use of line symbols enables engineers/designer to express features of designed product and accurately.
a.alphabet line
b.extension line
c.outer line
d.hidden line
I badly need the answer pls.
Answers
Answer:
a. alphabet line
Explanation:
Technical drawings are the drawings that help in communicating the designs. These designs are the designs that provide the instruction for the manufacturing of any object. The designs are made with the help of lines and line symbols. Line symbols are termed to be alphabet of lines. They help the designers to draw the designs with accuracy. Various lines are drawn that differ in terms of thickness and darkness. These variations helps the designers to mark the design accurately.