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Statistics and probability khan academy5/16/2023 ![]() ![]() ![]() Using this information, answer each of the following questions. Of these 80 keys, 60 open classroom doors, 40 open the door to the teachers' lounge, and 30 open classroom doors and the teachers' lounge. Let A be the event that he chooses an ace and H be the event that he chooses a heart.Ī) What is P(A or H), the probability that the card Anthony chooses is either an ace or a heart? a) 3/4ĭ) 7/8 A middle school principal has 80 keys on her key chain to distribute to staff on the first day of school. Each suit consists of cards numbered 2 through 10, a jack, a queen, a king, and an ace.Īnthony decides to pick one card at random from a standard deck of 52 cards. A) 4/13 A standard deck of 52 cards contains 4 suits: hearts, clubs, diamonds, and spades.
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