The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $13. Find the probability that a randomly selected utility bill is (a) less than $66, (b) between $82 ar $110, and (c) more than $120. (a) The probability that a randomly selected utility bill is less than $66 is (Round to four decimal places as needed) (b) The probability that a randomly selected utility bill is between $82 and $110 is (Round to four decimal places as needed.) (c) The probability that a randomly selected utility bill is more than $120 is (Round to four decimal places as needed.)

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $13. Find the probability that a randomly selected utility bill is (a) less than $66, (b) between $82 and
$110, and (c) more than $120.
(a) The probability that a randomly selected utility bill is less than $66 is
(Round to four decimal places as needed.)
(b) The probability that a randomly selected utility bill is between $82 and $110 is
(Round to four decimal places as needed.)
(c) The probability that a randomly selected utility bill is more than $120 is
(Round to four decimal places as needed.)
A
←
Transcribed Image Text:K The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $13. Find the probability that a randomly selected utility bill is (a) less than $66, (b) between $82 and $110, and (c) more than $120. (a) The probability that a randomly selected utility bill is less than $66 is (Round to four decimal places as needed.) (b) The probability that a randomly selected utility bill is between $82 and $110 is (Round to four decimal places as needed.) (c) The probability that a randomly selected utility bill is more than $120 is (Round to four decimal places as needed.) A ←
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