Mathematics, 13.12.2021 01:00, rockinrhonda19ovewso

The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $12. Find the probability that a randomly selected utility bill is (a) less than $66, (b) between $90 and $100, and (c) more than $110.

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The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard dev...