The discrete random variable X has probability distribution given by -1 1 2 3 P(X=x) a a (a) Find the value of a (b) Write down E(X). (c) Find Var.(X).
The discrete random variable X has probability distribution given by -1 1 2 3 P(X=x) a a (a) Find the value of a (b) Write down E(X). (c) Find Var.(X).
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 22E
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