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Electricity bills: According to a government energy agency, the mean monthly household electricity bill in the United States in 2011 was $110.56. Assume the amounts are normally distributed with standard deviation $25.00. Use Excel to answer the following. Round the answer to four decimal places. Part: 0/3 Part 1 of 3 (a) What proportion of bills are greater than $1257 The proportion of bills that are greater than $125 Is Part: 1/3 Part 2 of 3 (b) What proportion of bills are between $83 and $1437 The proportion of bills that are between $83 and $143 is Rart: 2/3 Part 3 of 3 (c) What is the probability that a randomly selected household had a monthly bill less than $1137 The probability that a randomly selected household had a monthly bill less than $113 is

Electricity bills: According to a government energy agency, the mean monthly household electricity bill in the United States in 2011 was $110.56. Assume the amounts are normally distributed with standard deviation $25.00. Use Excel to answer the following. Round the answer to four decimal places. Part: 0/3 Part 1 of 3 (a) What proportion of bills are greater than $1257 The proportion of bills that are greater than $125 Is Part: 1/3 Part 2 of 3 (b) What proportion of bills are between $83 and $1437 The proportion of bills that are between $83 and $143 is Rart: 2/3 Part 3 of 3 (c) What is the probability that a randomly selected household had a monthly bill less than $1137 The probability that a randomly selected household had a monthly bill less than $113 is

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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Electricity bills: According to a government energy agency, the mean monthly household electricity bill in the United States in 2011 was $110.56. Assume the amounts are normally distributed with standard deviation $25.00. Use Excel to answer the following. Round the answer to four decimal places. Part: 0/3 Part 1 of 3 (a) What proportion of bills are greater than $1257 The proportion of bills that are greater than $125 Part: 1/3 Part 2 of 3 (b) What proportion of bills are between $83 and $1437 The proportion of bills that are between $83 and $143 is Part: 2/3 Part 3 of 3 X 2 (c) What is the probability that a randomly selected household had a monthly bill less than $1137 The probability that a randomly selected household had a monthly bill less than $113 is $ X 10-
Transcribed Image Text:Electricity bills: According to a government energy agency, the mean monthly household electricity bill in the United States in 2011 was $110.56. Assume the amounts are normally distributed with standard deviation $25.00. Use Excel to answer the following. Round the answer to four decimal places. Part: 0/3 Part 1 of 3 (a) What proportion of bills are greater than $1257 The proportion of bills that are greater than $125 Part: 1/3 Part 2 of 3 (b) What proportion of bills are between $83 and $1437 The proportion of bills that are between $83 and $143 is Part: 2/3 Part 3 of 3 X 2 (c) What is the probability that a randomly selected household had a monthly bill less than $1137 The probability that a randomly selected household had a monthly bill less than $113 is $ X 10-
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