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March 30, 2017

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Two cards are drawn without replacement from a standard deck of 52 cards. Find the probability a) both cards are red ,b) both cards are the same color, c) the second card is a king given that the first card is a queen, d) the second card is the queen of hearts given that the first card is black

  • math - ,

    The probability of both/all events occurring is determined by multiplying the probabilities of the individual events.

    a) 26/52 * (26-1)/(52-1) = ?

    b) Either-or probabilities are found by adding the individual probabilities. The probability above for red plus the same probability for black.

    c) 4/52 * 4/(52-1) = ?

    Use a similar thinking process for d.

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