SOLUTION: The distribution of the number of daily requests is bell-shaped and has a mean of 64 and a standard deviation of 8. Using the Empirical Rule rule , what is the approximate pe

Algebra ->  Probability-and-statistics -> SOLUTION: The distribution of the number of daily requests is bell-shaped and has a mean of 64 and a standard deviation of 8. Using the Empirical Rule rule , what is the approximate pe      Log On


   

Question 1204744: The distribution of the number of daily requests is bell-shaped and has a mean of 64 and a standard deviation of 8.
Using the Empirical Rule rule ,
what is the approximate percentage of lightbulb replacement requests numbering between 48 and 64?
Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
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A HINT and a guiding notice


        Notice that  48  is  2  (two)  deviations of size  8  from the mean of  64.