A card is drawn from a pack of playing cards. Find the probability that the card drawn is a spade ace.
Step 1 Finding the favorable outcomes:
There are cards in a pack, each pack contains suits of cards each.
Each suit which is labeled as spades, clubs, diamonds and hearts contains of ace card each.
So, there will be ace of spade card in a pack.
The favorable outcomes is and total outcomes is .
Step 2 Finding the probability that the card drawn is an ace of spade:
The formula for the probability is expressed as,
Substitute favorable number outcomes as and total number of outcomes as .
Hence, the probability of drawing a card that is a spade ace from a pack of cards is .