Suppose a random sample of size 55 is selected from a population with o = 10. Find the value ofthe standard error of the mean in each of the following cases (use the finite population correctionfactor if appropriate).a. The population size is infinite (to 2 decimals).b. The population size is N = 50,000 (to 2 decimals).c. The population size is N = 5000 (to 2 decimals).d. The population size is N = 500 (to 2 decimals).%3D

Answered: Suppose a random sample of size 55 is…

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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Use the central limit theorem to find the mean and standard error of the mean of the indicated sampling distribution. Then sketch a graph of the sampling distribution. The per capita consumption of red meat by people in a country in a recent year was normally distributed, with a mean of 120 pounds and a standard deviation of 39.9 pounds. Random samples of size 18 are drawn from this population and the mean of each sample is determined. H = o: = (Round to three decimal places as needed.) Sketch a graph of the sampling distribution. Choose the correct graph below. OA. O B. Oc. OD. -110.6 9.4 129.4 101.2 120 138.8 -350.6 9.4 369.4 91.8 120 148.2 Click to select your answer(s). P Type here to search 11:24 AM 2/1/2021 Home End
Suppose a random sample of size 46 is selected from a population with = 10. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite (to 2 decimals). b. The population size is N = 50,000 (to 2 decimals). c. The population size is N = 5000 (to 2 decimals). d. The population size is N = 500 (to 2 decimals).
The annual salary for one particular occupation is normally distributed, with a mean of about $139,000 and a standard deviation of about $18,000. Random samples of 30 are drawn from this population, and the mean of each sample is determined. Find the mean and standard deviation of the sampling distribution of these sample means. Then, sketch a graph of the sampling distribution. The mean is µ- =|, and the standard deviation is o; = (Round to the nearest integer as needed. Do not include the $ symbol in your answers.)
Suppose a random sample of size 54 is selected from a population with = 10. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite (to 2 decimals). b. The population size is N = 50,000 (to 2 decimals). c. The population size is N = 5000 (to 2 decimals). Hint(s) Check My Work d. The population size is N = 500 (to 2 decimals).
The annual salary for one particular occupation is normally distributed, with a mean of about $140,000 and a standard deviation of about $24,000. Random samples of 34 are drawn from thispopulation, and the mean of each sample is determined. Find the mean and standard deviation of the sampling distribution of these sample means. Then, sketch a graph of the sampling distribution.
Assume that the population proportion is 0.46. Compute the standard error of the proportion, σp, for sample sizes of 500,000; 1,000,000; 5,000,000; 10,000,000; and 100,000,000. (Round your answers to five decimal places.) sample size of 500,000sample size of 1,000,000sample size of 5,000,000sample size of 10,000,000sample size of 100,000,000 What can you say about the size of the standard error of the sample proportion as the sample size is increased? The standard error of the sample proportion, σp, ---Select--- increases decreases and becomes extremely ---Select--- small large as the sample size becomes huge.
Assume the variance for the following returns is 2597. What is X? Returns: -2X,-X,0,X,2X,3X (round your final answer to 1 decimal place: 20.456 -->20.4) Answer:
For the variance of a sample mean RV, taken from an infinite population whose mean is 10 and standard deviation is 2, to be equal to 1, the sample size should be Select one: 16 10 32 None 4
Suppose the scores of students on an exam are normally distributed with a mean of 444 and a standard deviation of 65. Then approximately 68% of the exam scores lie between the integers _____ and ____ such that the mean is halfway between these two integers.
Suppose a random sample of size 41 is selected from a population with o = 10. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite (to 2 decimals). b. The population size is N = 50,000 (to 2 decimals). c. The population size is N= 5000 (to 2 decimals). d. The population size is N = 500 (to 2 decimals). Hint(s) Check My Work

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