Question: A random variable X has E(X)=10 and Var(X)=3. Then Var(2X+5)= a. 20 b. 11 c. 10 d. 12 e. 25 f. 17

A random variable X has E(X)=10 and Var(X)=3.

Then Var(2X+5)=

a.

20

b.

11

c.

10

d.

12

e.

25

f.

17

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