Solve the problem.A final exam in Math 160 has a mean of 83 with standard deviation 8.4. Suppose 24 studentsare randomly selected.a) Provide the parameters for the distribution of the Sum: The mean is1992and standard deviation is 41.15b) If 24 students are randomly selected, find the probability that the sum of their test scores isless than 1970. [Select]c) Find the 60th percentile for the sum of the 24 students' test scores.[Select]

The mean is 83 and the standard deviation is 8.4.The sample size n is 24.

Answered: A final exam in Math 160 has a mean of…

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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Suppose the average amount of money that people spend on their pets per month is 47 dollars, with a standard deviation of 6 dollars. For a sample of 36 people, final the average amount of money spent on pets that defines the bottom 30% in the distribution.For a sample of 36 people, what is the probability for this sample’s mean to be higher than 50 dollars.
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