Suppose that a histogram is constructed for the frequency distribution shown below: (1 point)
Age Frequency
30-39 19
40-49 23
50-59 16
12
60-69
70-79
6
Does the distribution appear to be normal? Why or why not?
No, the distribution is not normal because the values are not concentrated in the center and do not taper
off symmentrically towards the ends.
OYes, the distribution is normal because the values are concentrated in the center and taper off
symmetrically towards the end
Answers
Related Questions
In a publishing company that prints products of varying dimensions, workers manually cut paper rolls into the required sizes. The company's management wants to install a computer-controlled system to do this task. If the system is installed, the employees would only need to enter the required paper dimensions into a computer, and a machine would cut the paper. How would the computer-controlled system be better than the manual system used by the publishing company?
Answers
1. Precision and Accuracy: A computer-controlled system can ensure precise and accurate cuts every time. It can be programmed to cut the paper rolls to the exact dimensions entered by the employees, eliminating human errors that may occur during manual cutting. This precision can enhance the overall quality of the printed products.
2. Increased Efficiency: Automating the cutting process can significantly improve efficiency. The computer-controlled system can work continuously without getting fatigued or requiring breaks, leading to faster turnaround times. This increased speed can boost productivity and allow the publishing company to handle larger volumes of work within shorter timelines.
3. Consistency and Standardization: Manual cutting can lead to variations in the dimensions of the cut paper rolls due to human inconsistencies. With a computer-controlled system, the cutting process can be standardized, ensuring consistent sizes for all products. This uniformity is crucial, especially in industries where precise measurements are essential for proper functioning or aesthetic appeal.
4. Waste Reduction: Human errors in manual cutting can result in paper wastage due to incorrect cuts. By using a computer-controlled system, waste can be minimized since the machine can optimize the cutting patterns and utilize the paper rolls more efficiently. This can lead to cost savings for the publishing company by reducing material waste.
5. Safety and Risk Reduction: Manual cutting can pose safety risks for workers, such as injuries from sharp cutting tools. With a computer-controlled system, the risk of accidents can be significantly reduced as there is minimal direct interaction with sharp objects. This promotes a safer work environment and decreases the chances of workplace injuries.
6. Flexibility and Adaptability: A computer-controlled system can handle a wide range of paper dimensions and sizes. Employees can simply enter the required dimensions into the computer, and the machine can quickly adjust and cut the paper accordingly. This flexibility allows the publishing company to cater to diverse customer needs and produce products with different specifications efficiently.
7. Data Collection and Analysis: By using a computer-controlled system, the publishing company can gather data on the cutting process, such as the number of paper rolls cut, the time taken, and any errors encountered. This data can be analyzed to identify areas for further improvement, optimize resource allocation, and make informed decisions regarding production planning and scheduling.
Overall, implementing a computer-controlled system for cutting paper rolls in the publishing company can bring about improved accuracy, efficiency, consistency, safety, and cost-effectiveness. It enables the company to enhance its productivity, meet customer requirements more precisely, and streamline the overall production process.
Answer:
The computer-controlled system would likely be better than the manual system used by the publishing company in several ways:
Precision: The computer-controlled system would be more precise and accurate than manual cutting. It can measure and cut the paper rolls with greater accuracy, reducing the likelihood of errors or waste.
Efficiency: The computer-controlled system can cut the paper rolls faster and more efficiently than manual cutting. This would increase the productivity of the workers and enable the company to produce more products in less time.
Consistency: The computer-controlled system would ensure consistent quality of the cut paper rolls. This is because the machine is programmed to cut the paper in the exact same way every time, which means that there is less room for human error or variation.
Safety: The computer-controlled system would be safer for the workers than manual cutting. It reduces the risk of injury from accidents or repetitive strain injuries associated with manual cutting.
Overall, the computer-controlled system would provide significant benefits for the publishing company in terms of precision, efficiency, consistency, and safety.
Explanation:
This forms the basis of all extruded parts.
A.
Constraints
B.
Dimensions
C.
Model
D.
Sketch
Answers
Answer:
i think it would be c?
Explanation:
GIVING 100 POINTS!! **Predict whether or not light will follow a stream of water as it flows out of a bottle**
Answers
It can be predicted that the light beam will follow a stream of water as it flows out of a bottle.
How does light follow water?When a light beam passes from the medium of water, then it reflects and change its direction due to become slow compare to air.
In the air and water the light travels from the stream of water, but the difference is that in water it bends, and the speed slows down. This stream of water is act similar to the optical fiber.
Hence, it can be predicted that the light beam will follow a stream of water as it flows out of a bottle.
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The access code for a card security system consist of four digits the first digit cannot be 4 and the last digit must be odd. How many different codes are avalible
Answers
Different codes for access code which are available are: 4000
_ _ _ _
1 2 3 4
1st blank can be filled with the following possibilities, here the conditions are:
1)The first digit cannot be 4
2)The first digit cannot be 0 also since it makes the access code 3 digits hence
From 1 to 9 except 4 there are 8 possible ways to fill that blank
8
2nd blank can be filled with any number between 0 to 9 in 10 possible ways
8 10
3rd blank can be filled with any number between 0 to 9 in 10 possible ways
8 10 10
4th blank can be filled with any odd numbers between 0 to 10 - 1,3,5,7,9
8 10 10 5 = 8 x 10 x 10 x 5 = 4000
Hence to conclude that 4000 available codes are there for the access security card
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Give me one major effect of computer viruses
Answers
Answer:
it can steal data or passwords
Explanation:
Develop a table of specifications or test blue print in your area of study
Answers
Attached is a general example of a test blueprint or table of specifications that can be used in various fields of study. Here's an example for a hypothetical course on "Introduction to Computer Science".
What is the explanation for the attached table?This table outlines the different topics covered in the course, their respective weights (indicating their importance in the assessment), and the specific content areas within each topic.
This blueprint serves as a guide for creating exams and assignments, ensuring that the assessment covers a balanced representation of the course material.
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The mean diastolic blood pressure for a random sample of 80 people was 82 millimeters of mercury. If the standard deviation of individual blood pressure readings is known to be 12 millimeters of mercury, find a 99% confidence interval for the true mean diastolic blood pressure of all people. Then give its lower limit and upper limit.
Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place.
Answers
The 99% confidence interval for the true mean diastolic blood pressure of all people is approximately (73.4, 90.6) and The lower limit is 73.4 millimeters of mercury, and the upper limit is 90.6 millimeters of mercury.
To calculate the 99% confidence interval for the true mean diastolic blood pressure of all people, we can use the formula:
Confidence Interval = Sample Mean ± (Critical Value) * (Standard Deviation / √(Sample Size))
Given that the sample size is 80, the sample mean is 82, and the standard deviation is 12, we need to find the critical value corresponding to a 99% confidence level.
Since the sample size is large (n > 30) and the population standard deviation is known, we can use the Z-distribution. The critical value for a 99% confidence level (α = 0.01) is approximately 2.576.
Plugging in the values into the formula, we get:
Confidence Interval = 82 ± (2.576) * (12 / √80)
Calculating the values:
Confidence Interval = 82 ± (2.576) * (12 / √80)
≈ 82 ± (2.576) * (12 / 3.577)
≈ 82 ± (2.576) * 3.358
≈ 82 ± 8.647
Rounding to one decimal place:
Lower Limit = 82 - 8.647 ≈ 73.4
Upper Limit = 82 + 8.647 ≈ 90.6
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writing presentations and speeches are all examples of
Answers
Writing presentations and speeches are all examples of effective communication tools that allow individuals to convey information, express ideas, and influence an audience.
Presentations and speeches serve as platforms to deliver messages, engage listeners, and make a persuasive case for a particular topic or objective.
Both presentations and speeches require careful planning and organization to ensure clarity and coherence. They involve the selection and arrangement of relevant content, supporting evidence, and compelling arguments.
Additionally, they often incorporate visual aids, such as slides or props, to enhance understanding and engagement.
Effective writing for presentations and speeches involves tailoring the language and tone to the audience, considering their knowledge level and interests.
It requires structuring the content in a logical flow, employing rhetorical devices to capture attention, and employing storytelling techniques to create emotional connections.
Overall, writing presentations and speeches is an art that combines effective communication skills, strategic thinking, and creativity to deliver impactful messages and inspire action from the audience.
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20 things that can be found in the poultry farm for chicken
Answers
Answer:
1. Chicken
2. Air
3. Floor
4. Walls
5. Roof
6. Eg
7. Free Real Estate
8. You
9. Atoms
10. ****
11. Stuff
12. Nothing
13. Depression
14. Hobo
15. Stranger selling you kidneys for your time.
16. A question
17. Portal to another dimension
18. Waste of Time
19. Memes
20. A chicken is you!
Explanation:
The world cannot be explained, silence youth.
What's the best way to pass your ged class?
Answers
Answer:
The best way is By not cheating
cual es la finalidad del arte
Answers
absolutamente nada (;
Discuss 2 ways in which gender stereotypes could negatively affect an individual's self-esteem in the workplace
Answers
Answer:They can even cause women to question their own abilities
Women hold back on expressing ideas on ‘male topics’
Explanation:
The sum of the measures of angle A and angle B equals 90°.
sin A=0.555 cos A=0.832
What is cos B?
Answers
A and angle A and angle B equals 90°.
sin A=0.555 cos A=0.832
then cos B is
cos B = sin (90 - A)
cos B = sin (90° - A)
cos B = sin (90° - (sin A x 180°/π + cos A x 180°/π))
cos B = sin (90° - (0.555 x 180°/π + 0.832 x 180°/π))
cos B = sin (90° - 104.45°)
cos B = sin (-14.45°)
cos B = -0.250
What is angle?
Two lines that split from a single point make an angle. It is typically expressed as a number of degrees or radians. Angles can be acute, obtuse, reflexive, right, or straight. Obtuse angles are larger than 90 degrees, whereas acute angles are smaller. Reflex angles are greater than 180 degrees in length while right angles are exactly 90 degrees. The length of a straight angle is 180 degrees. Angles are important in a variety of disciplines, including math, architecture, navigation, and architecture. They are employed in the estimation of an object's size, the creation of forms, and the determination of the force's direction.
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How do class observation for teachers relate with Skinner's operant conditioning theory?
Answers
Class observations within the framework of Skinner's operant conditioning theory aim to shape and improve teaching behaviors through reinforcement and, when necessary, punishment.
Class observations for teachers can be related to Skinner's operant conditioning theory in several ways.
Skinner's operant conditioning theory emphasizes the role of reinforcement and punishment in shaping behavior. In the context of class observations, the observers act as external agents that provide feedback and consequences to the teacher's behavior.
Positive reinforcement can be applied when the observer praises or acknowledges effective teaching strategies, encouraging the teacher to continue using them.
For example, if a teacher successfully engages students through interactive activities and receives positive feedback, they are more likely to repeat those strategies in the future.
Similarly, negative reinforcement can be used to discourage ineffective teaching methods. If a teacher's approach leads to disengagement or behavioral issues in the classroom, the observer might provide constructive criticism, encouraging the teacher to modify their approach.
Observations also provide an opportunity for punishment, although it is typically used sparingly and in a constructive manner. If a teacher consistently displays ineffective behaviors, the observer might provide feedback and suggest alternative strategies.
This corrective feedback serves as a form of punishment, aiming to discourage the teacher from repeating ineffective behaviors in the future.
Overall, class observations within the framework of Skinner's operant conditioning theory aim to shape and improve teaching behaviors through reinforcement and, when necessary, punishment.
The feedback provided during observations can influence the teacher's future instructional practices, promoting effective teaching methods and enhancing student learning outcomes.
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Free point and Branliest if you can answer..... What doi you call a fish with no eye
Answers
A fsh
Enumeeta and describe the corn
Answers
corn is runnner because he is so cute hehe
A water sprinkler sends water out in a circular pattern. How many feet away from the sprinkler can it spread water if the area formed by the watering pattern is 1,962.50 square feet? Use 3.14 for pi. The sprinkler can spread water [] feet away
Answers
\(\pi\)Answer:
its 25
Explanation:
divide 1,962.50 by 3.14 ( 1,962.50 = r\(\pi ^{2}\))
which then you get 625. (625 = \(r ^{2}\))
after that, you find the square root which is 25
25 = \(r\)
if 1 divided by 3x is equal to 4 divided by 7y, which of the following expresses x in terms of y?
Answers
x = (7y/4) / (3/1) = 7y/3
If 1 divided by 3x is equal to 4 divided by 7y, then we can cross-multiply and set the two expressions equal to each other:
1 = 4(3x) / 7y
To solve for x in terms of y, we can then multiply both sides of the equation by 7y and divide by 4:
7y = 4(3x)
y = 3x / 4
Therefore, x is expressed in terms of y as 3x/4. This is because we have used the property of equation, which is cross multiplying and dividing by a common factor to get the variable we want to express in terms of the other variable.
Answer:
x=7y/12
Explanation:
Given:
1/3x=4/7y
According to the proportion property:
3x*4=7y*1
12x=7y
x=7y/12
What do implicit bias or racism have to do with peanut butter and jelly?
Answers
It's most accurate to say that hand-tied arrangements
Answers
Complete question reads;
3. It's most accurate to say that hand-tied arrangements
A. are especially popular for weddings.
B. include only one or two floral materials.
C. are difficult to carry.
D. require a concealed water supply.
Answer:
B. include only one or two floral materials.
Explanation:
Remember, when flowers are been arranged by a florist consideration is made to allow for efficient handling. This involves using a few flower stems and constructing them using one’s hand to form the arrangement. The stems therefore would form a handle which could be held, thus only one or two floral materials are used.
3,576,219 rounded to the nearest million
Answers
Answer:
4,000,000
Explanation:
Answer: 4,000,000
Explanation:
If the P-value is bigger than α, what can we say about the difference between the observed statistic value and the claimed parameter value?
Answers
When the mean of the sampling distribution is the same value as the population parameter, we can say that the statistic is an unbiased estimator.
What is an unbiased estimator?An unbiased estimator happens to be the situation in statistics where the expected value of a population parameter is the same as the true value of that same parameter.
We can conclude that when the mean of the sampling distribution is the same value as the population parameter, we can say that the statistic is an unbiased estimator.
Therefore, When the mean of the sampling distribution is the same value as the population parameter, we can say that the statistic is an unbiased estimator.
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A total of 202 people attended a graduation party. There were 60 tables at which the guests could sit. Some of the tables accommodated 2 people each, and the rest accommodated 4 people each. Assuming all of the tables were filled to capacity and every person got to sit at a table,
exactly how many of the tables accommodated 2 people?
Answers
Answer:
19 tables had 2 people
Explanation:
2x19 = 38
4x41=164
164+38=202
Which of the following situations will include the origin when graphed?
Hayley runs at a pace of 1 mile every 8 minutes.
Gas costs $3.50 per gallon.
It is 68° at 7 a.m., and the temperature increases 5° every hour.
Phone service costs $5.00, and an additional 5 cents for each minute.
Answers
Answer: Gas costs $3.50 per gallon
Explanation:
If you have 0 galloons, it will cost 0 dollars, and that is the origin point.
For the toehr answer choices:
B starts with 68 and then increases by a slope of 5, os the y-intercept is 68
C starts with 5 dollars and then increases by a slope of 0.05 , so the y-intercept is 5.
The origin is not present in any of the scenarios involving Hayley's running speed, gas prices, and temperature rise because none of them begin at zero.
What happens to gas velocity as temperature rises?The average speed and kinetic energy of the gas molecules increase as the temperature rises.The quicker gas molecules smash with the container walls more frequently and forcefully if the volume is kept constant, raising the pressure.
When a gas's volume is zero, what happens to its temperature?At a temperature of zero degrees, an ideal gas has a volume of zero .Practically impossible would be a temperature of absolute zero.
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Some help I need the answers nowww!!,!,!
Answers
Answer:
sorry I didn't know next time I tell you ok
Sue has $400 in her savings account. If the bank pays her 6 ½ % interest, how much interest will Sue earn?
(a) $260
(b) $29.50
(c) $26
(d) $312
Answers
Answer: The answer is C. 26 dollars.
Explanation:
Multiply 6.5 by 400 dollars and divide by 100. This results in the interest, and add the interest to the 400 dollars for the total amount.
(Pls give me brainliest)
Select the correct answer.
Which unit is part of the SI system?
Answers
Answer:
Second (symbol s, the unit of time)
Metre (m, length)
Kilogram (kg, mass)
Ampere (A, electric current)
Kelvin (K, thermodynamic temperature)
Mole (mol, amount of substance)
Candela (cd, luminous intensity)
what is the first stage of star creation
Answers
Stage 1- Stars are born in a region of high density Nebula, and condenses into a huge globule of gas and dust and contracts under its own gravity. This image shows the Orion Nebula or M42 . Stage 2 - A region of condensing matter will begin to heat up and start to glow forming Protostars.
I’m really confused on how to work this analysis out. Please help!! Black histogram: Population distribution (Distribution of time it takes for the PSU students to come to campus)
Blue histogram: Sampling distribution of X¯¯¯¯
X
¯
You will be observing what happen to the shape, center (measured by mean) and spread (measured by SD) of the sampling distribution of by:
Completing below table
Comparing the means of the two histograms, σn√
σ
n
with SD of blue histogram, and what happens to the shape of the blue histogram as the sample size increases.
Summarizing what you observe in a one or two sentences.
First row is already completed for you. Please note that this is a simulation, so each time you run the simulation numbers in the blue histogram will be slightly different but should be roughly the same.
Black histogram
Blue histogram
Mean
SD
Distribution
n (N in the app)
σn√
σ
n
Mean
SD
Distribution
16
5
Normal
5
2.24
16.05
2.22
Looks normal
Uniform
5
Skewed
5
Skewed
25
Answers
The mean of the blue histogram remains relatively unchanged with an increase in sample size, while the SD decreases as the sample size increases.
What is the change in the histogram?The shape of the blue histogram tends to converge towards a normal distribution as the sample size increases. The standard deviation determines the width of the curve in a normal distribution, which depicts a symmetrical representation of data around its mean value. It is represented graphically by the "bell curve.
The distribution of the blue histogram changes based on the underlying population distribution, showing uniform or skewed shape for non-normal population distributions.
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Need someone number lol
.
Answers
Answer: age?
Explanation:
Answer:
heres a number - 1
Explanation: