5 people from group are given an ID ranging from 1-9 independent from each other's ID....

5 people from group are given an ID ranging from 1-9 independent from each other's ID. What is the probability that at least 2 people share an ID number?

Expert Solution

P(At least 2 people share an ID number) = 1 - P(No people share an ID number) = 1-0.256058527 = 0.743941472.

Therefore, the probability that at least 2 people share an ID number is 0.743941472.

Do comment for any doubts.

orchestra answered 1 year ago

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