The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $12. Find the probability that a randomly selected utility bill is (a) Less than $70, (b) Between $90 and $120, (c) And Morn than $140.
The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $12. Find the probability that a randomly selected utility bill is (a) Less than $70, (b) Between $90 and $120, (c) And Morn than $140.
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
(a) Less than $70,
(b) Between $90 and $120,
(c) And Morn than $140.
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