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Math Help - conditional probability problem2

  1. #1
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    conditional probability problem2

    Hello I have the problems with the following questions, and I have also attached my attempt below. I am looking for solution and explanation on answering (b)(ii). Thank you

    Question


    My attempt
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  2. #2
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    Re: conditional probability problem2

    2 student selected at random is the equivalent of selecting one and then another without replacement.
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