Q20 Let the following be a probability distribution- 2 0.24 P(X=x) Calculate a) E(X²) 1 0.16 0.35 b) E(3X+2) c) Var (2x+1) 4 0.25

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
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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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Q20 Let the following be a probability distribution-
2
0.24
P(X=x)
Calculate
a) E(X²)
1
0.16
b) E(3X + 2)
0.35
c) Van (2+1)
4
0.25
Transcribed Image Text:Q20 Let the following be a probability distribution- 2 0.24 P(X=x) Calculate a) E(X²) 1 0.16 b) E(3X + 2) 0.35 c) Van (2+1) 4 0.25
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