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4everjames

  • 3 years ago

A bag has 4 green marbles, 3 red marbles, and 3 yellow marbles. What is the probability that you pick a green marble, do not replace it, and pick another green marble?

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  1. mubzz
    • 3 years ago
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    In the beginning, the probability of a green marble is 4/10 After you've picked the first one and do not replace it, the probability of a green marble is 3/9. So your statement would be: Probability of green and green = Probability of 1st green * probability of 2nd green = (4/10) * (3/9) = 12/90 = 0.1333

  2. 4everjames
    • 3 years ago
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    @mubzz is that the same as 2/15?

  3. mubzz
    • 3 years ago
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    yep

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