Solve the Problem. -The Annual Precipitation Amounts in a Certain Mountain Range Are

Multiple Choice

Solve the problem.
-The annual precipitation amounts in a certain mountain range are normally distributed with a mean of 109 inches, and a standard deviation of 10 inches. What is the probability that the mean annual precipitation during
25 randomly picked years will be less than 111.8 inches?

A) 0.0808
B) 0.5808
C) 0.9192
D) 0.4192