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TopicEasy probability question. A guy has two white socks and two pink socks.
Golden Road
04/20/17 10:05:38 PM
#24:


Maybe it'll be easier to visualize if we use shoes instead of socks. Let's say you have two pairs of sneakers, same brand, same make, but one pink pair and one white pair. Let's say, without looking, you randomly pick out two shoes. What are the odds you have a matching pair?

1 in 3.

There are six possibilities:

You pick the left pink shoe and the right pink shoe.
You pick the left pink shoe and the right white shoe.
You pick the left pink shoe and the left white shoe.
You pick the right pink shoe and the right white shoe.
You pick the right pink shoe and the left white shoe.
You pick the right white shoe and the left white shoe.

2 out of 6 will give you a matching pair of shoes. 2 out of 6 will give you a mismatched pair of shoes. And 2 out of 6 will have you trying to squeeze into a shoe not meant for that foot.
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