A normal population has a mean of 50 and a standard deviation of 7. a. Compute the
Question:
A normal population has a mean of 50 and a standard deviation of 7.
a. Compute the z-value associated with 45.
b. What percentage of the population is between 45 and 63?
c. What percentage of the population is less than 55?
d. What percentage of the population is more than 40?
e. What percentage of the population is less than 40 or more than 55?
f. Below what value do 80% of the observations lie?
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a 071 b 02611 04686 7297 7297 c ...View the full answer
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Related Book For 
Basic Statistics For Business & Economics
ISBN: 9781259268939
6th Canadian Edition
Authors: Douglas A. Lind, William G Marchal, Samuel A. Wathen, Carol Ann Waite
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