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7 July, 08:40

You have a bag that contains 20 quarters, 20 dimes, and 15 nickels. When randomly selecting two coins with no replacement find the following probabilities.

P (2 Quarters)

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  1. 7 July, 11:26
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    P (2 quarters) = 19 / (13*16) = 19/208 = 0.0913

    Step-by-step explanation:

    probability of getting 2 quarters?

    ok

    first draw: there are 20 quarters to choose from

    second draw: there are 19 quarters left to choose

    so Total coins are 65 coins

    P (2 quarters) = P (1st quarter) * P (2nd quarter)

    P (2 quarters) = 20/65 * (19/64)

    P (2 quarters) = 4/13 * 19/64

    P (2 quarters) = 19 / (13*16) = 19/208
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