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March 30, 2017

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This is a repost. I posted a question 2 days ago and the response was wrong. The question was on Probability. The question was One card is selected from a deck of playing cards. Determine the probability of selecting a jack OR a club. use this rule P(A or B) = P(A) + P(B) - P(A and B)

  • College Mathematics - ,

    There are 13 clubs and then 3 jacks.

    16/52

    Using the rule P(J) = 4/52
    P(C) = 13/52

    P(C + J) = 1/52 the Jack of Clubs

  • College Mathematics - ,

    P(jack or club)= pr(jack)+Prob(club)-Prob(both)

    = 4/52+13/52-1/52

    check that.

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