The discrete random variable X has the probability distribution 2 4 P(X=x) k 2k 3k 4k 3.

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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a) Show that k=0.1

Find

b) E(X) (2)

C) E(X2) (2)

d) var(2-5x)            

The discrete random variable X has the probability distribution
1
2
3
4
P(X=x)
k
2k
3k
4k
Transcribed Image Text:The discrete random variable X has the probability distribution 1 2 3 4 P(X=x) k 2k 3k 4k
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