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13. What is the minimum sample size needed to estimate a population mean within 1 inch at the 98% confidence level, if it is known that the population standard devjation is 3.5 Inches? *

13. What is the minimum sample size needed to estimate a population mean within 1 inch at the 98% confidence level, if it is known that the population standard devjation is 3.5 Inches? *

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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was observed. 16. A significance test for a population mean uses a significance level of 5%. If the hypothesized mean is 12 feet, the alternative hypothesis is that the population mean is greater than 12 feet, the sample standard deviation is 1.7 feet, and the sample size is 30, what is the minimum sample mean that will lead to rejecting the null hypothesis? (Assume the conditions for the test are met.) * O 13.97 feet O 12.53 feet 13.645 feet 13.2 feet O 12.36 feet 13. What is the minimum sample size needed to estimate a population mean within 1 inch at the 98% confidence level, if it is known that the population standard deviation is 3,5 Inches? * O O O
Transcribed Image Text:was observed. 16. A significance test for a population mean uses a significance level of 5%. If the hypothesized mean is 12 feet, the alternative hypothesis is that the population mean is greater than 12 feet, the sample standard deviation is 1.7 feet, and the sample size is 30, what is the minimum sample mean that will lead to rejecting the null hypothesis? (Assume the conditions for the test are met.) * O 13.97 feet O 12.53 feet 13.645 feet 13.2 feet O 12.36 feet 13. What is the minimum sample size needed to estimate a population mean within 1 inch at the 98% confidence level, if it is known that the population standard deviation is 3,5 Inches? * O O O
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