Question: Please type the answers. 1. Given Var(X) = 2 and Var(Y ) = 1, what is Var(X 3Y )? A. -1 B. 11 C. -7

Please type the answers.

1. Given Var(X) = 2 and Var(Y ) = 1, what is Var(X 3Y )?

A. -1

B. 11

C. -7

D. There is not enough information to determine the value of Var(X 3Y ).

2- Which of the following is a valid PDF of a continuous random variable X?

Please type the answers.1. Given Var(X) = 2 and Var(Y ) =1, what is Var(X 3Y )?A. -1B. 11C. -7D. There is not

\f0.3 for x = 3 0.2 for x = 5 Px (a) = 0.3 for x = 8 0.2 for * = 10 0 otherwise Find Var(X)

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