MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Related questions

Question

Assume that the mean systolic blood pressure of normal adults is 

120millimeters

 of mercury (

mmHg

) and the standard deviation is 

5.6

. Assume the variable is normally distributed. Round the answers to at least 

4

 decimal places and intermediate 

z

-value calculations to 

2

 decimal places.

If a sample of 

35

 adults is randomly selected, find the probability that the sample mean will be between 

120

 and 

122.2mmHg

. Assume that the sample is taken from a large population and the correction factor can be ignored.

=P<120<X122.2
 
 
 
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