SOLUTION: The amount of monthlyt phone bill is normally distributed with a mean of $60 and a standard deviation of $12, 68% of phone bill are between $______ and $____

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Question 609900: The amount of monthlyt phone bill is normally distributed with a mean of $60 and a standard deviation of $12, 68% of phone bill are between $______ and $____
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 

Hi

monthlyt phone bill is normally distributed with a mean of $60 and a standard deviation of $12

Note:one  standard deviation from the mean accounts for about 68.2% of the set 

68% of phone bill are between $48 and $72 

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