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christina
christina asked in Science & MathematicsMathematics · 6 years ago

I HAVE A QUESTION ABOUT PROBABILITIES CAN SOMEONE HELP ME?! I DON'T KNOW HOW TO DO THIS?

Jacob randomly draws two cards from a standard deck of 52 cards. He does not replace the first card. What is the probability that both cards are kings?

A. 1/26

B. 1/1326

C. 1/221

D. 1/ 663

3 Answers

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  • llaffer
    Lv 7
    6 years ago

    The probability of two events happening together is the product of their individual probabilities.

    So the probability of the first king being drawn is: 4/52 or 1/13

    If that king is not replaced, there are 3 kings left out of 51 cards, so the probability of this second king happening is 3/51 or 1/17

    Multiply them together to get your result:

    1/13 * 1/17 = 1/221 (answer C)

  • az_lender
    Lv 7
    6 years ago

    (4/52)*(3/51) = (1/13)*(1/17) = 1/221 (C)

  • sha
    6 years ago

    A

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