Hello, allstar2!

This is a simple matter of Counting.

Exactly where is your difficulty?

Suppose you have a deck of 52 cards. .You are to draw one card.

Assume each card has a probability of 1/52 of being drawn.

What is the probability that you will draw:

a) the Ace of Spades?

b) the Ace of Spades or the Queen of Hearts?

How many outcomes are "winners?c) an Ace or a Spade?

. . (16 outcomes)

Therefore: .