29. A population of 1,000 students spends an average of $10.50 a day on dinner. The standard deviation of the expenditure is $3. A simple random sample of 64 students is taken. What are the expected value, standard deviation, and shape of the sampling distribution of the a. sample mean? What is the probability that these 64 students will spend a combined total of more than b. $715.21? (Hint: Convert the total expenditure to average expenditure). What is the probability that these 64 students will spend a combined total between $703.59 and c. $728.45?
29. A population of 1,000 students spends an average of $10.50 a day on dinner. The standard deviation of the expenditure is $3. A simple random sample of 64 students is taken. What are the expected value, standard deviation, and shape of the sampling distribution of the a. sample mean? What is the probability that these 64 students will spend a combined total of more than b. $715.21? (Hint: Convert the total expenditure to average expenditure). What is the probability that these 64 students will spend a combined total between $703.59 and c. $728.45?
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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Transcribed Image Text:29. A population of 1,000 students spends an average of $10.50 a day on dinner. The standard deviation
of the expenditure is $3. A simple random sample of 64 students is taken.
What are the expected value, standard deviation, and shape of the sampling distribution of the
a.
sample mean?
What is the probability that these 64 students will spend a combined total of more than
b.
$715.21? (Hint: Convert the total expenditure to average expenditure).
What is the probability that these 64 students will spend a combined total between $703.59 and
c.
$728.45?
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