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

choose the best answer:

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

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!