The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $15. Find
Posted: Thu Apr 28, 2022 7:12 am
The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $15. Find the probability that a randomly selected utility bill is (a) less than $66, (b) between $83 and $90, and (c) more than $100. ML (a) The probability that a randomly selected utility bill is less than $66 is (Round to four decimal places as needed.)