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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7. 

a. Use a table of cumulative areas under the normal curve to find the​ z-score that corresponds to the given cumulative area. If the area is not in the​ table, use the entry closest to the area. If the area is halfway between two​ entries, use the​ z-score halfway between the corresponding​ z-scores. If​ convenient, use technology to find the​ z-score. 0.046. The cumulative area corresponds to the z-score of
 
b. Use the Standard Normal Table or technology to find the​ z-score that corresponds to the following cumulative area. 0.966. The cumulative area corresponds to the z-score of 
 
c.
Use the standard normal table to find the​ z-score that corresponds to the given percentile. If the area is not in the​ table, use the entry closest to the area. If the area is halfway between two​ entries, use the​ z-score halfway between the corresponding​ z-scores. If​ convenient, use technology to find the​ z-score. P18. The z-score that corresponds to P18 is 
 
d.
The mean height of women in a country​ (ages 20−​29) is 64.1
inches. A random sample of 60 women in this age group is selected. What is the probability that the mean height for the sample is greater than 65 ​inches? Assume σ=2.65. The probability that the mean height for the sample is greater than
65 inches is
 
 
 
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