Probability Basicshard
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Five friends go to a restaurant and check their hats. At the end of the evening, the hats are returned to them completely at random. What is the probability that exactly two of the friends receive their own hats?
Five friends go to a restaurant and check their hats. At the end of the evening, the hats are returned to them completely at random. What is the probability that exactly two of the friends receive their own hats?