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Number 4 please help (4) (10 points) A random variable X has probability mass function P(X=x) = c(x+1), x = 0,1. a. (5 points) What

Number 4 please help

(4) (10 points) A random variable X has probability mass function P(X=x) = c(x+1), x = 0,1. a. (5 points) What value of C will make this a valid probability mass function? h. (5 points) Find E [X]

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