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fo (b) What is the mean and standard deviation of the sampling distribution of x assuming u = 4 and o = V4? 53 H: = (Round to three decimal places as needed.) View an example Get more help - Media - Clear all Check answer Help me solve this urc

fo (b) What is the mean and standard deviation of the sampling distribution of x assuming u = 4 and o = V4? 53 H: = (Round to three decimal places as needed.) View an example Get more help - Media - Clear all Check answer Help me solve this urc

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The acceptable level for insect filth in a certain food item is 4 insect fragments (larvae, eggs, body parts, and so on) per 10 grams. A simple random sample of 40 ten-gram portions of the food item is obtained and results in a sample mean of x= 4.7 insect fragments per ten-gram portion. Complete parts (a) through (c) below. ame ents ents (a) Why is the sampling distribution of x approximately normal? ents A. The sampling distribution of x is approximately normal because the sample size is large enough. B. The sampling distribution of x is approximately normal because the population is normally distributed. book O C. The sampling distribution of x is approximately normal because the population is normally distributed and the sample size is large enough. O D. The sampling distribution of x is assumed to be approximately normal. ills fo (b) What is the mean and standard deviation of the sampling distribution of x assuming u = 4 and o = /4? H 0530 H: = (Round to three decimal places as needed.) %3D ts urce Help me solve this View an example Get more help - Media - Clear all Check answer esourc ations f8 144 fg DII f10 DDI f11 f12:. insert prt sc f4 f5 f6 f7 f3 米 @_ # _ $. & 个 測 %24
Transcribed Image Text:The acceptable level for insect filth in a certain food item is 4 insect fragments (larvae, eggs, body parts, and so on) per 10 grams. A simple random sample of 40 ten-gram portions of the food item is obtained and results in a sample mean of x= 4.7 insect fragments per ten-gram portion. Complete parts (a) through (c) below. ame ents ents (a) Why is the sampling distribution of x approximately normal? ents A. The sampling distribution of x is approximately normal because the sample size is large enough. B. The sampling distribution of x is approximately normal because the population is normally distributed. book O C. The sampling distribution of x is approximately normal because the population is normally distributed and the sample size is large enough. O D. The sampling distribution of x is assumed to be approximately normal. ills fo (b) What is the mean and standard deviation of the sampling distribution of x assuming u = 4 and o = /4? H 0530 H: = (Round to three decimal places as needed.) %3D ts urce Help me solve this View an example Get more help - Media - Clear all Check answer esourc ations f8 144 fg DII f10 DDI f11 f12:. insert prt sc f4 f5 f6 f7 f3 米 @_ # _ $. & 个 測 %24
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