The function f (x) = cx², x = 1, -1, 2, -2, 3,-3 In order for the random variable X to be a probability function What should be the constant c. Find the distribution function, expected value, and variance of the random variable X.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 9E
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The function f (x) = cx², x = 1, -1, 2, -2, 3,-3
In order for the random variable X to be a probability function
What should be the constant c. Find the distribution function, expected value, and variance of the random variable X.

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