Watch your cholesterol: The mean serum cholesterol level for U.S. adults simple random sample of 106 adults is chosen. Use the TI-84 Plus calculator. Part: 0/3
Watch your cholesterol: The mean serum cholesterol level for U.S. adults simple random sample of 106 adults is chosen. Use the TI-84 Plus calculator. Part: 0/3
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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Transcribed Image Text:Watch your cholesterol: The mean serum cholesterol level for U.S. adults was 198, with a standard deviation of 39 (the units are milligrams per deciliter). A
simple random sample of 106 adults is chosen. Use the TI-84 Plus calculator. Round the answers to at least four decimal places.
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Part: 0/3
Part 1 of 3
(a) What is the probability that the sample mean cholesterol level is greater than 204?
The probability that the sample mean cholesterol level is greater than 204 is
Part: 1/3
Part 2 of 3
(b) What is the probability that the sample mean cholesterol level is between 190 and 197?
The probability that the sample mean cholesterol level is between 190 and 197 is
Part: 2/3
Part 3 of 3
(c) Using a cutoff of 0.05, would it be unusual for the sample mean to be less than 193?
It (Choose one)
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X
be unusual for the sample mean to be less than 193, since the probability is
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