(a) less than S70, (b) between $85 and $110, and (c) more than $120

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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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 $7o, (b) betwoen $85 and $110, and (c) more than $120.
(a) The probability that a randomly selected utity bill is less than $70 is
(Round to four decimal places as neoded.)
Transcribed Image Text: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 $7o, (b) betwoen $85 and $110, and (c) more than $120. (a) The probability that a randomly selected utity bill is less than $70 is (Round to four decimal places as neoded.)
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