Math Question: Question 1 [1, 1, 1, 3] (a) Define a discrete random variable ????. (b) Define the expected value of a discrete random variable ????. (c) Define the variance of a discrete random variable ????. (d) Let ???? be a discrete random variable. Show that the ????[????????+????]=????2????[????]. Question 2 [3, 8] (a) State the 5 properties required for a random variable ???? to have a binomial distribution. (b) Suppose that ???? has a geometric distribution. Derive the mean and variance for the random variable Y

Asked By Anelisa On 03/14/2020 09:21