4. If z = 1.5, µ = 79 and o = 5, what is its corresponding random variable X? a. 86.5 b. 85.6 c. 79.5 d. 76.5
4. If z = 1.5, µ = 79 and o = 5, what is its corresponding random variable X? a. 86.5 b. 85.6 c. 79.5 d. 76.5
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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
Transcribed Image Text:4. If z = 1.5, µ = 79 and o = 5, what is its corresponding random variable X?
%3D
a. 86.5
b. 85.6
c. 79.5
d. 76.5

Transcribed Image Text:5. Ali and Geo compare their scores in Calculus for this semester. They find that the average score
is 42 with the standard deviation of 4. Ali's score is 48 while Geo's score corresponding z-score
value of z = 1.45. Who got the higher score?
а. Ali
b. Geo
c. both of them d. none of them.
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