Question

A card is drawn from a well-shuffled pack of playing cards. What is the probability that it is either a spade or an ace or both? 

Answer 1

`P(A) = 13/52`

`P(B) = 4/52`

`P(A ∩ B) = 1/5.2`

`P(A ∪ B) = 13/52 + 4/52 - 1/52`

`= 16/52`

`P(A ∪ B) = 4/13`