## Question

###### [15 pts:] State the value a that would make each of the following functions a valid probability mass function of a discrete random variable X: f(x) = a X + for x = 0,1,2,3,4,5 f(x) =a * PA + P?, for x = 0,1,2 f (x) =ax2 _ 1,forx =1,2,3,4

[15 pts:] State the value a that would make each of the following functions a valid probability mass function of a discrete random variable X: f(x) = a X + for x = 0,1,2,3,4,5 f(x) =a * PA + P?, for x = 0,1,2 f (x) =ax2 _ 1,forx =1,2,3,4

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