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15 June, 05:00

There are five marbles in a bag. Three are green, and two are yellow. You draw a marble, do not replace it, and then draw another. What is the probability of choosing two yellow marbles

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Answers (2)
  1. 15 June, 07:06
    0
    2out of 20
  2. 15 June, 07:57
    0
    1/10

    Step-by-step explanation:

    P (1st marble yellow) = Number of yellow / total

    = 2/5

    We keep the marble. Now there are four marbles in a bag. Three are green, and one is yellow.

    P (2nd marble yellow) = Number of yellow / total

    =1/4

    P (1st yellow, keep, 2nd yellow) = 2/5 * 1/4

    = 2/20 = 1/10
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