If (X_{1}) has mean -5 and variance 3 while (X_{2}) has mean 1 and variance 4 ,
Question:
If \(X_{1}\) has mean -5 and variance 3 while \(X_{2}\) has mean 1 and variance 4 , and the two are independent, find
(a) \(E\left(3 X_{1}+5 X_{2}+2\right)\);
(b) \(\operatorname{Var}\left(3 X_{1}+5 X_{2}+2\right)\).
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Probability And Statistics For Engineers
ISBN: 9780134435688
9th Global Edition
Authors: Richard Johnson, Irwin Miller, John Freund
Question Posted: