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29 January, 11:58

A box contains 8 dimes, 15 quarters, and 27 nickels. A student randomly draws two items, one at a time without replacement, from the bag. Find the probability that 2 quarters are drawn.

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  1. 29 January, 13:08
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    First, we have to find the ratio of quarters to the ratio of total coins:

    15/15+8+27 = 15/50

    Then, multiply the ratios:

    15/50 * 14/49

    (14/49 since one quarter has already been removed)

    210/2450

    21/245 = 0.0857

    The probability is about 9 percent.
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