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26 August, 22:58

In Walter's closet there are 7 shirts where 1 are green and 8 pants where 1 are green.

What is the probability that Walter's outfit will be all green if he gets dressed in the dark? Round to the nearest 10th of a percent

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  1. 26 August, 23:08
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    0.018 = 1.8%

    Step-by-step explanation:

    There are 7 choices of shirt. Each of those can be paired with any of the 8 choices of pants, for a total of 7*8 = 56 possible pairings of shirt and pants.

    Of those, only one pairing is green/green. So, assuming all pairings are equally likely when getting dressed in the dark, the probability of an all-green outfit is 1/56 ≈ 0.01786 ≈ 1.8%.
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