5.31 The number of hits per day on the Web site of Professional Tool, Inc., is normally...
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5.31 The number of hits per day on the Web site of Professional Tool, Inc., is normally distributed with a mean of 700 and a standard deviation of 120.
a. What proportion of days has more than 820 hits per day?
b. What proportion of days has between 730 and 820 hits?
c. Find the number of hits such that only 5% 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: 9780273767060
8th Global Edition
Authors: Paul Newbold, Mr William Carlson, Ms Betty Thorne
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