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.)

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.)

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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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

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,
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