# How do I do this Statistics problem?

**Question description**

For the first 7 months of the year, the average precipitation in Toledo, Ohio is 19.32 inches. If the average precipitation is normally distributed with a standard deviation of 2.44 inches, find the probability that:

a.
A randomly selected year will have precipitation
greater than 18 inches for the first 7 months.

b.
Five randomly selected years will have an
average precipitation greater than 18 inches for the first 7 months.

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