MathProbabilityEvents and probabilities

Rules of sum, product, and complement

Socks

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Bob has $2$ pairs of green socks, $3$ pairs of red socks, and $4$ pairs of blue socks to choose from today. He chooses a pair of socks randomly, with each pair equally likely to be chosen. What is the probability that Bob chooses a green or blue pair of socks?

Select one option from the list

2 / 3

1 / 3

8 / 9

1 / 2

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