18. Consider the following probability distribution for the random variable X. X= Ti P(X = x₂) .1 0 1 2 3 .3 .4 .2 (a) Find E(X). (b) Find P(X> 1)

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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18. Consider the following probability distribution for the random variable X.
X = 2;
0
P(X = x₂) 1.1
1 2 3
3 4 .2
(a) Find E(X).
(b) Find P(X> 1)
Transcribed Image Text:18. Consider the following probability distribution for the random variable X. X = 2; 0 P(X = x₂) 1.1 1 2 3 3 4 .2 (a) Find E(X). (b) Find P(X> 1)
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