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A simple random sample of size n is drawn from a population that is known to be normally distributed. The sample variance, s², is determined to be 128 Completo parts (a) through (c). ...

A simple random sample of size n is drawn from a population that is known to be normally distributed. The sample variance, s², is determined to be 128 Completo parts (a) through (c). ...

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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Complete it for n is 40 too pls. 3-3
Tests ctivity K in ok nch er Contents for Success imedia Library chase Options cussions wurse Tools 72°F Sunny A simple random sample of size n is drawn from a population that is known to be normally distributed. The sample variance, s, is determined to be 128 Completo parts (a) through (c). (a) Construct a 90% confidence interval for o² if the sample size, n, is 20. The lower bound is 8.07. (Round to two decimal places as needed.) The upper bound is 24.04. (Round to two decimal places as needed.) (b) Construct a 90% confidence interval for o² if the sample size, n, is 30. The lower bound is (Round to two decimal places as needed.) H 1 H More √i (1) Review Resume I, Vi Clear all
Transcribed Image Text:Tests ctivity K in ok nch er Contents for Success imedia Library chase Options cussions wurse Tools 72°F Sunny A simple random sample of size n is drawn from a population that is known to be normally distributed. The sample variance, s, is determined to be 128 Completo parts (a) through (c). (a) Construct a 90% confidence interval for o² if the sample size, n, is 20. The lower bound is 8.07. (Round to two decimal places as needed.) The upper bound is 24.04. (Round to two decimal places as needed.) (b) Construct a 90% confidence interval for o² if the sample size, n, is 30. The lower bound is (Round to two decimal places as needed.) H 1 H More √i (1) Review Resume I, Vi Clear all
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