The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $16. Find the probability that a randomly selected utility bill is (a) less than $70, (b) between $80 and $90, and (c) more than $120. (a) The probability that a randomly selected utility bill is less than $70 is (Round to four decimal places as needed.) (b) The probability that a randomly selected utility bill is between $80 and $90 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.)

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The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $16. Find the probability that a randomly selected utility bill is (a) less than $70, (b) between $80 and $90, and
(c) more than $120.
(a) The probability that a randomly selected utility bill is less than $70 is
(Round to four decimal places as needed.)
(b) The probability that a randomly selected utility bill is between $80 and $90 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.)
Enter your answer in each of the answer boxes,
P Type here to search
%23
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1:44 PM
99+
4/11/2021
144
Insert
24
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24
4.
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Transcribed Image Text:The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $16. Find the probability that a randomly selected utility bill is (a) less than $70, (b) between $80 and $90, and (c) more than $120. (a) The probability that a randomly selected utility bill is less than $70 is (Round to four decimal places as needed.) (b) The probability that a randomly selected utility bill is between $80 and $90 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.) Enter your answer in each of the answer boxes, P Type here to search %23 a 1:44 PM 99+ 4/11/2021 144 Insert 24 & 24 4. %23 + backspeca 6. 8. 6. 7 3. R Y
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