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A simple random sample from a population with a normal distribution of 99 body temperatures has x= 98.80°F and s = 0.64°F. Construct a 99% confidence interval estimate of the standard deviation of body temperature of all healthy humans. Is it safe to conclude that the population standard deviation is less than 1.20°F? Click the icon to view the table of Chi-Square critical values. O'F

A simple random sample from a population with a normal distribution of 99 body temperatures has x= 98.80°F and s = 0.64°F. Construct a 99% confidence interval estimate of the standard deviation of body temperature of all healthy humans. Is it safe to conclude that the population standard deviation is less than 1.20°F? Click the icon to view the table of Chi-Square critical values. O'F

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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A simple random sample from a population with a normal distribution of 99 body temperatures has x= 98.80°F and s = 0.64°F. Construct a 99% confidence interval estimate of the standard deviation of body temperature of all healthy humans. Is it safe to conclude that the population standard deviation is less than 1.20°F? Click the icon to view the table of Chi-Square critical values. O'F<o<]°F (Round to two decimal places as needed.) Is it safe to conclude that the population standard deviation is less than 1.20°F? O A. This conclusion is safe because 1.20°F is in the confidence interval. O B. This conclusion is not safe because 1.20°F is outside the confidence interval.
Transcribed Image Text:A simple random sample from a population with a normal distribution of 99 body temperatures has x= 98.80°F and s = 0.64°F. Construct a 99% confidence interval estimate of the standard deviation of body temperature of all healthy humans. Is it safe to conclude that the population standard deviation is less than 1.20°F? Click the icon to view the table of Chi-Square critical values. O'F<o<]°F (Round to two decimal places as needed.) Is it safe to conclude that the population standard deviation is less than 1.20°F? O A. This conclusion is safe because 1.20°F is in the confidence interval. O B. This conclusion is not safe because 1.20°F is outside the confidence interval.
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