Answered: The average salary for a civil…

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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The average salary for a civil engineering major is $75,000 with a standard
deviation of $10,000. A university wants to determine how well their students in
their civil engineering program get paid after graduating. They ask one class of
80 students in a course to give their salaries after graduating. What is the
probability the average salary of the 80 students is between $73,000 and
$77,000?
0.16
O 0.93
O 0.68
O 0.78

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Follow-up Question

The average salary for a civil engineering major is $75,000 with a standard deviation of $10,000. A university wants to determine how well their students in their civil engineering program get paid after graduating. They ask one class of 30 students in a course to give their salaries after graduating. What is the probability the average salary of the 30 students is between $73,000 and $77,000?

Group of answer choices

The sample size of 30 students is too small to use the Central Limit Theorem, the university needs to find a larger class

0.73

0.16

0.68

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