Answer to Question #315666 in Statistics and Probability for lyn

Question

Find the probability of getting a red ace when a card is drawn at random from an ordinary deck of cards.

Answer 1

There are 52 cards in a standard deck of cards and there are 2 red aces among them - ace of diamonds and ace of hearts, so the sought probability

$$P=\cfrac{2}{52}=\cfrac{1}{26}.$$