The average time it takes to walk to the shopping mall from campus is normally distributed, with
Question:
The average time it takes to walk to the shopping mall from campus is normally distributed, with a mean of 12.2 minutes and a standard deviation of 2.5 minutes.
a. Compute the z-value associated with 14.3 minutes.
b. What proportion of the population takes between 12.2 and 14.3 minutes to walk to the mall?
c. What proportion of the population takes less than 10.0 minutes to walk to the mall?
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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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