5. You have a sample with a mean of 46 and a standard deviation of 8.  What is the probability of randomly selecting: a) a score above 64? b) a score between 40 and 50? c) a score below 32? 6. You have a sample with a mean of 51 and standard deviation of 12.  What is the probability of obtaining a raw score a) below 46? b) below 46 or above 56? 7. Jake needs to score in the top 10% of his class to earn a physical fitness certificate.  The class mean is 83, and the standard deviation is 3.2.  What raw score does he need to get the certificate?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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5. You have a sample with a mean of 46 and a standard deviation of 8.  What is the probability of randomly selecting:

a) a score above 64?

b) a score between 40 and 50?

c) a score below 32?

6. You have a sample with a mean of 51 and standard deviation of 12.  What is the probability of obtaining a raw score

a) below 46?

b) below 46 or above 56?

7. Jake needs to score in the top 10% of his class to earn a physical fitness certificate.  The class mean is 83, and the standard deviation is 3.2.  What raw score does he need to get the certificate?

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