According to a recent survey, the average salary of a Certified Public Accountant (CPA) is $94,000 and the standard deviation is $30,000.

According to a recent survey, the average salary of a Certified Public Accountant (CPA) is $94,000 and the standard deviation is $30,000. If you take a random sample of 50 CPAs, what's the probability that the sample mean will be greater than $86,660? 

    A. .9631B. .9762C. .9888D. .9582