greater than 205         Part 2 What is the probability that the sample mean cholesterol level is between 187and 194

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Watch your cholesterol: The mean serum cholesterol level for U.S. adults was 196

 with a standard deviation of 36(the units are milligrams per deciliter). A simple random sample of104 adults is chosen. Use the TI-84 calculator. Round the answers to four decimal places.

Part 1 of 3

  1. What is the probability that the sample mean cholesterol level is greater than 205

 

 

 

 

Part 2 What is the probability that the sample mean cholesterol level is between 187and 194

 

 

 

 

Part 3 of 3Would it be unusual for the sample mean to ne less 189? It c--- be usual for the sample mean to be less than 198, since the probability is --- 

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