Sasha is working on a magic trick with a standard deck of cards. She chooses an ace, puts it back, then chooses a red card. What is P(ace|red) ? Round to the nearest tenth.(1 point)

1 answer

To find the probability of choosing an ace given that she has chosen a red card, we need to consider the total number of red cards in a standard deck of cards.

There are 26 red cards in a standard deck of 52 cards (13 hearts and 13 diamonds). Within those 26 red cards, there are 2 aces (the ace of hearts and the ace of diamonds).

Therefore, P(ace|red) = 2/26 = 1/13 ≈ 0.1

So the probability of choosing an ace given that she chose a red card is approximately 0.1.