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Calculate Z-score for a random variable X = 60 is normally distributed with mean = 50 and standard deviation equals 8.  A. Find P(0.21 less than or equal to Z less than or equal to 1.69) =  B. Find the Z-score such that the area to the right of the Z-score is 0.483. C. Find the Z-score that separate the middle 88% of the data from the area in the tails.

Calculate Z-score for a random variable X = 60 is normally distributed with mean = 50 and standard deviation equals 8.  A. Find P(0.21 less than or equal to Z less than or equal to 1.69) =  B. Find the Z-score such that the area to the right of the Z-score is 0.483. C. Find the Z-score that separate the middle 88% of the data from the area in the tails.

MATLAB: An Introduction with Applications
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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Calculate Z-score for a random variable X = 60 is normally distributed with mean = 50 and standard deviation equals 8. 

A. Find P(0.21 less than or equal to Z less than or equal to 1.69) = 

B. Find the Z-score such that the area to the right of the Z-score is 0.483.

C. Find the Z-score that separate the middle 88% of the data from the area in the tails. 

Expert Solution
Step 1: Information given is

Mean(straight mu)=50

standard deviation(straight sigma)=8

X=60

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