Signals and Systems - Engineering

Q1:

The joint probability function of two discrete random variable X and Y is given by
x = 0, 2, y = 2, 3 variance σ2 will be
[Hint: σ2 = E(X2) - μ2 ⇒ E(X2) - (E(X))2]

A

B

C

D zero

ANS:B -

.