Question

The amount of snowfall falling in a certain mountain range is normally distributed with a mean of 70 inches and a standard deviation of 10 inches. What is the probability that the mean annual snowfall during 25 randomly picked years will exceed (to the right) 72.8 inches? Write your answer as a decimal rounded to 4 places.

Answer 1

The probabilty would be 87.34%

Explanation:

Add all the numbers together and multiply them as a percetnage by four