Let A: Heart is drawn from a pack of cards. Let B: An ace is drawn from a pack of cards As we know that, probability of an event is given by: P(E)=
n(E)
n(S)
So, probability of winning the bet is given P(A or B ) i.e P(A∪B) ⇒P(A)=13∕52,P(B)=4∕52 and P(A∩B)=1∕52 As we know that, P(A∪B)=P(A)+P(B)−P(A∩B) ⇒P(A or B)=P(A∪B)=