The number of hits per day on the Web site of E-CommEx, Inc., is normally distributed with
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The number of hits per day on the Web site of E-CommEx, Inc., is normally distributed with a mean of 510 and a standard deviation of 140.
a. What proportion of days has more than 620 hits per day?
b. What proportion of days has between 520 and 620 hits?
c. Find the number of hits such that only 10% of the days will have the number of hits below this number.
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Related Book For
Statistics For Business And Economics
ISBN: 9781292315034
9th Global Edition
Authors: Paul Newbold, William Carlson, Betty Thorne
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