Question: ANSWER THE FOLLOWING. a) The discrete random variable X has the probability function ( k(x2 - 9) x = 4,5,6 otherwise Where k is a

ANSWER THE FOLLOWING.

a) The discrete random variable X has the probability function ( k(x2 - 9) x = 4,5,6 otherwise Where k is a constant Show that k = ii. Find E (X) and Var (X). x, 05 x52 ONIH b) A continuous random variable X has a pdf given by f (x) = elsewhere , find the mean and standard of X

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