23. Which of the following is TRUE regarding the sampling distribution ofthe means?O A. The mean of the sample means will differ from the population mean.B. The standard deviation of the sample means will be the one-half of the value ofpopulation standard deviation.C. The computed mean of the sample means will be greater by a factor of 1.5 thapopulation mean.D. The standard deviation of the sample is equal to the population standard deviadivided by the square root of the sample size.

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Answered: 23. Which of the following is TRUE…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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For the following situation, find the mean and standard deviation of the population. List all samples (with replacement) of the given size from that population and find the mean of each. Find the mean and standard deviation of the sampling distribution and compare them with the mean and standard deviation of the population. The word counts of five essays are 507, 620, 544, 613, and 587. Use a sample size of 2. (Round to two decimal places as needed.)
A population of N = 5 scores has a mean of u = 20 and a standard deviation of o = 4. Which of the following is the correct Interpretation of the standard deviation? O The average distance of scores from the mean of p- 20 is 5 points. O The average distance of scores from the mean of u = 20 is 1 point. The average distance of scores from the mean of u = 20 is 4 points. O The average squared distance of scores from the mean of u = 20 is 4 points.
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24. How does the t distribution differ from the Z distribution? a. It has a smaller standard deviation and hence thinner tails than the Z distribution. b. It has a larger standard deviation and hence thicker tails than the Z distribution. c. The t and Z distributions are no different.
The finite population correction is most useful for which of the following? a. It adjusts the estimated mean when the sample size is a large fraction of the population size. b. It adjusts the standard error of the mean when the sample size is a small fraction of the population size. c. It adjusts the estimated mean when the sample size is a small fraction of the population size. d. It adjusts the standard error of the mean when the sample size is a large fraction of the population size.
For the following situation, find the mean and standard deviation of the population. List all samples (with replacement) of the given size from that population and find the mean of each. Find the mean and standard deviation of the sampling distribution and compare them with the mean and standard deviation of the population. The word counts of five essays are 508, 634, 545, 611, and 577. Use a sample size of 2. O The mean of the population is 575 (Round to two decimal places as needed.) The standard deviation of the population is 45.10. (Round to two decimal places as needed.) Identify all samples of size 2 with the correct accompanying means below. O A. 508, 611, x = 559.5 O B. 634, 508, x = 571 OC. 611, 634, x = 622.5 O D. 577, 508, x = 542.5 O E. 611, 611, x = 611 OF. 508, 545, x = 526.5 OG. 545, 577, x = 561 O H. 577, 624, x = 600.5 O I. 545, 508, x = 526.5 J. 545, 634, x = 589.5 K. 577, 545, x = 561 O L. 634, 611, x = 622.5 O M. 577, 611, x= 594 O N. 611, 577, x = 594 O O. 611,…
3. The fill volume of an automated filling machine used for filling cans of carbonated beverage isnormally distributed. Suppose that the mean of the filling operation can be adjusted easily, but thestandard deviation remains at 0.4 fluid ounce.a. At what value should the mean be set so that 99.9% of all cans exceed 12 fluid ounces?b. At what value should the mean be set so that 99.9% of all cans exceed 12 fluid ounces if thestandard deviation can be reduced to 0.09 fluid ounce?
Which of the following are true? There is more than one correct answer.
For the following situation, find the mean and standard deviation of the population. List all samples (with replacement) of the given size from that population and find the mean of each. Find the mean and standard deviation of the sampling distribution and them with the mean and standard deviation of the population. The word counts of five essays are 504, 621, 546, 601, and 584. Use a sample size of 2. O compare The mean of the population is (Round to two decimal places as needed.) The standard deviation of the population is (Round to two decimal places as needed.) Identify all samples of size 2 with the correct accompanying means below. A. 504, 584, x= 544 B. 546, 601, x= 573.5 C. 584, 504, x 544 D. 584, 546, x= 565 E. 601, 546, x= 573.5 F. 584, 584, x- 584 G. 584, 621, x= 602.5 H. 584, 628, x= 606 I. 504, 546, x- 525 J. 546, 584, x= 565 K. 504, 504, x= 504 L. 621, 601, x3611 M. 621, 546, x = 583.5 O N. 621, 504, x= 562.5 O 0. 546, 546, x= 546 P. 504, 601, x= 552.5 Q. 601, 601, x= 601…
For the following situation, find the mean and standard deviation of the population. List all samples (with replacement) of the given size from that population and find the mean of each. Find the mean and standard deviation of the sampling distribution and compare them with the mean and standard deviation of the population. The scores of three students in a study group on a test are 94, 93, 97. Use a sample size of 3. The mean of the population is (Round to two decimal places as needed.) C
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13. A normal distribution has a mean of u = 30 and a standard deviation of o = 12. For each of the following scores, indicate whether the body is to the right or left of the score and find the proportion of the distribution located in the body. a. X = 33 ANSWER I b. X = 18 ANSWER ! c. X = 24 ANSWER I d. X = 39

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