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13 August, 19:31

Samuel pulls two coins out of his pocket randomly without replacement. if his pocket contains one nickel one dime and one quarter what is the probability that he pulled more than 20 cents out of his pocket?

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  1. 13 August, 20:20
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    An Easy Way to do this is to write out the sample space.

    5 10

    5 25

    10 5

    10 25

    25 5

    25 10

    Then, check which ones, add to over 20

    5 25

    10 25

    25 5

    25 10

    Therefore, it's 4/6 or 2/3
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