Three cards from a standard deck are dealt. What is the probability that the first is a heart, the second is a spade, and the third is another heart?
P(first is a heart) = 13/52 = 1/4
P(second is a spade) = 13/51
P(third is a heart)= 12/50
So
(1/4)(13/51)(12/50) = 156/10200 = 13/850