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7 March, 15:42

You have a jar of marbles. There are 15 red, 20 blue, 7 green, and 18 red marbles. You choose one at random then replace it and choose another. What is the probability of both being blue?

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  1. 7 March, 16:28
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    The probability of blue is 20/60

    2 blue would be (20/60) (20/60) which is. 1111
  2. 7 March, 18:27
    0
    1 out of 3 chance.

    20 out of 60 marbles are blue.

    20/60 = 1/3
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