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The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $14. Find the probability that a randomly selected utility bill is (a) less than $70, (b) between $83 and $110, 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 $83 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.) D

The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $14. Find the probability that a randomly selected utility bill is (a) less than $70, (b) between $83 and $110, 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 $83 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.) D

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $14. Find the probability that a randomly selected utility bill is (a) less than $70, (b) between $83 and $110, 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 $83 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 as needed.) 9
Transcribed Image Text:The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $14. Find the probability that a randomly selected utility bill is (a) less than $70, (b) between $83 and $110, 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 $83 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 as needed.) 9
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