Question

For two independent random variable x
and y, E(x)=3, E(y)=2, V(X)= 1.2, V(y)=1.
Then what is the value of E(2x+3y)?*
(1 Point)

1.30
2.0
3.12
4.5​

Answer 1

Answer:

answer will be option 3.)12

Step-by-step explanation:

because e(x+y)=e(x)+ e(y)

and e(ax)=a×e(x)

e (x) represents mean.