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b. Let X denote a discrete random variable which can take the values -2,0, and 5. Given that the expectation of X i - 100 and P(X = -2) : find P(X = 5). Note: A = 7, B = 18

b. Let X denote a discrete random variable which can take the values -2,0, and 5. Given that the expectation of X i - 100 and P(X = -2) : find P(X = 5). Note: A = 7, B = 18

A First Course in Probability (10th Edition)
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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b. Let X denote a discrete random variable which can take the values -2,0, and 5. Given that the expectation of X is 100 and P(X = -2) = , find P(X = 5). Note: A = 7, B = 18 B'
Transcribed Image Text:b. Let X denote a discrete random variable which can take the values -2,0, and 5. Given that the expectation of X is 100 and P(X = -2) = , find P(X = 5). Note: A = 7, B = 18 B'
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