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7) You have a piggy bank containing approximately $1000.00, all in loonies, and you ask a...

7)

You have a piggy bank containing approximately $1000.00, all in loonies, and you ask a large number of subjects to count the loonies. The mean number of loonies reported is 975 with a standard deviation of 15. Assume that the distribution of counts is normal.

What percentage of the counts will lie between 960 and 990?

Select one:

( ) a. 46%

( ) b. 15%

( ) c. 95%

( ) d. 68%

( ) e. 34%

math   Statistics-And-Probability   
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