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22 April, 16:46

A bag has 2 yellow, 7 red, and 1 green marble. What is the probability of picking a yellow marble, replacing it, and then picking another yellow marble?

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  1. 22 April, 20:23
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    2 = Yellow Marbles

    7 = Red Marbles

    1 = Green Marble

    ^ in the bag.

    2+7+1 = 10

    2 = Yellow Marbles out of 10 Marbles in total.

    2/10 is the probability of picking a Yellow Marble.

    &

    1/10 of picking another yellow marble.
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