### Brain Teasers

# Matching Socks

Probability
Probability puzzles require you to weigh all the possibilities and pick the most likely outcome.Probability

Mismatched Joe is in a pitch dark room selecting socks from his drawer. He has only six socks in his drawer, a mixture of black and white. If he chooses two socks, the chances that he draws out a white pair is 2/3. What are the chances that he draws out a black pair?

### Hint

Three pairs of matching socks... maybe not!!!### Answer

He has a ZERO chance of drawing out a black pair.Since there is a 2/3 chance of drawing a white pair, then there MUST be 5 white socks and only 1 black sock. The chances of drawing two whites would thus be: 5/6 x 4/5 = 2/3 . With only 1 black sock, there is no chance of drawing a black pair.

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