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4. The average cost of food per week for college students living off-campus is $50 with a standard deviation of $7. 1) What percent of students have average food expenditures per week between $43 and $57? 2) Determine the interval for the average cost of food per week that is true for at least 40% of the college students living off-campus.

4. The average cost of food per week for college students living off-campus is $50 with a standard deviation of $7. 1) What percent of students have average food expenditures per week between $43 and $57? 2) Determine the interval for the average cost of food per week that is true for at least 40% of the college students living off-campus.

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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4. The average cost of food per week for college students living off-campus is $50 with a standard deviation of $7. 1) What percent of students have average food expenditures per week between $43 and $57? 2) Determine the interval for the average cost of food per week that is true for at least 40% of the college students living off-campus.
Transcribed Image Text:4. The average cost of food per week for college students living off-campus is $50 with a standard deviation of $7. 1) What percent of students have average food expenditures per week between $43 and $57? 2) Determine the interval for the average cost of food per week that is true for at least 40% of the college students living off-campus.
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