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    saurabhsrvastav's Avatar
    saurabhsrvastav Posts: 2, Reputation: 1
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    #1

    Oct 31, 2008, 09:53 PM
    how I get the same result without using formula and using the conditional probability
    Suppose I draw two cards from a standard deck without replacement. Given that the first card is an ace, what is the probability that the second card is a queen? I want to solve the problem without using formula and using conditional probability rule.
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Nov 1, 2008, 02:17 AM

    How many cards are left? 51 cards.

    How many queens in it? 4 queens.

    So, probability of having a queen is..
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