Question: At H&R Blockhead, the time (random variable X) it takes to prepare a 1040EZ tax return is distributed normally, with a mean of 20 minutes

At H&R Blockhead, the time (random variable X) it takes to prepare a 1040EZ tax return is distributed normally, with a mean of 20 minutes and a standard deviation of 5 minutes.

What proportion of the returns takes longer than 32 minutes?

A.0.0044

B.0.0082

C.0.4918

D.0.4956

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