Help 9
Let A = drawing a spade from 52 cards
P ( drawing a spade ) = 13/ 52 = 1 / 4 = P(A)
Let B = probability of drawing a spade (after replacement) = 13/52 = 1/4 = P(B)
So
P ( A and B ) = P(A) * P(B) = (1/4) * (1/4) = 1 / 16