2. A population has mean 128 and standard deviation 22. a. Find the mean and standard deviation of X for samples of size 36. b. Find the probability that the mean of a sample of size 36 will be within 10 units of the population mean, that is, between 118 and 138.

2. A population has mean 128 and standard deviation 22. a. Find the mean and standard deviation of X for samples of size 36. b. Find the probability that the mean of a sample of size 36 will be within 10 units of the population mean, that is, between 118 and 138.

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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Estimation

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2. A population has mean 128 and standard deviation 22.
a. Find the mean and standard deviation of X for samples of size 36.
b. Find the probability that the mean of a sample of size 36 will be within 10 units
of the population mean, that is, between 118 and 138.

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