Card Probability

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What’s the probability of getting a king or a queen from a pack of 52 cards?

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    In a standard deck of 52 playing cards, there are four kings and four queens, for a total of eight cards that are either a king or a queen.

    The probability of drawing a king or a queen from the deck is therefore:

    P(king or queen) = P(king) + P(queen) – P(king and queen)

    P(king) = 4/52 = 1/13 (there are four kings in the deck) P(queen) = 4/52 = 1/13 (there are four queens in the deck) P(king and queen) = 0 (there are no cards that are both a king and a queen)

    So,

    P(king or queen) = 1/13 + 1/13 – 0 = 2/13

    Therefore, the probability of getting a king or a queen from a pack of 52 cards is 2/13 or approximately 0.15 (15%).

    Moshe Expert Answered on 20th February 2023.
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