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(b) What is the probability that the second inspector assigns a higher safety inspector? score than the first

(b) What is the probability that the second inspector assigns a higher safety inspector? score than the first

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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.* Two safety inspectors inspect a new building and assign it a “safety score" of 1,2,3, or 4. Suppose that the random variable X is the score assigned by the first inspector and the random variable Y is the score assigned by the second inspector, and they have a joint probability mass function given below. X 1 |2 3 4 0.09 0.03 0.01 0.01 0.02 0.15 0.03 0.01 0.01 0.01 0.24 0.04 0.00 0.01 0.02 0.32 1 Y 2 3 4 (a) What is the probability that both inspectors assign the same safety score? (b) What is the probability that the second inspector assigns a higher safety score than the first inspector?
Transcribed Image Text:.* Two safety inspectors inspect a new building and assign it a “safety score" of 1,2,3, or 4. Suppose that the random variable X is the score assigned by the first inspector and the random variable Y is the score assigned by the second inspector, and they have a joint probability mass function given below. X 1 |2 3 4 0.09 0.03 0.01 0.01 0.02 0.15 0.03 0.01 0.01 0.01 0.24 0.04 0.00 0.01 0.02 0.32 1 Y 2 3 4 (a) What is the probability that both inspectors assign the same safety score? (b) What is the probability that the second inspector assigns a higher safety score than the first inspector?
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