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

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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)
Continue
Ö
X
be unusual for the sample mean to be less than 193, since the probability is
Et
X
5
STREE
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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. search 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) Continue Ö X be unusual for the sample mean to be less than 193, since the probability is Et X 5 STREE © 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Submit Assignment W TREER 6
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