Meals A college student on a seven-day meal plan reportsthat the amount of money he spends daily on food varieswith a mean of $13.50 and a standard deviation of $7.a) What are the mean and standard deviation of theamount he might spend in two consecutive days?b) What assumption did you make in order to find thatstandard deviation? Are there any reasons you mightquestion that assumption?c) Estimate his average weekly food costs, and thestandard deviation.d) Do you think it likely he might spend less than $50in a week? Explain, including any assumptions youmake in your analysis.

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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Meals A college student on a seven-day meal plan reports
that the amount of money he spends daily on food varies
with a mean of $13.50 and a standard deviation of $7.
a) What are the mean and standard deviation of the
amount he might spend in two consecutive days?
b) What assumption did you make in order to find that
standard deviation? Are there any reasons you might
question that assumption?
c) Estimate his average weekly food costs, and the
standard deviation.
d) Do you think it likely he might spend less than $50
in a week? Explain, including any assumptions you
make in your analysis.

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