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23 May, 12:38

A bag has 1red, 3 blue, and 4 green marbels. Out come A is drawing a green marble on the first draw. Out come B is drawing a green marble on the second draw without replacing the first marble.

What is P (B|A) ?

P (B|A) = ?/?

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Answers (2)
  1. 23 May, 12:47
    0
    P (A) = 4/8=1/2

    P (B|A) = 3/7
  2. 23 May, 13:06
    0
    P (A) = 2/4=1/2

    P (B|A) = 3/8
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