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Brilliant_brown [7]

3 years ago

12

Let n be a positive integer. We sample n numbers a1, a2,..., an from the set {1,...,n} uniformly at random, with replacement. We

say that picks i and j with i < j are a match if ai = aj.
What is the expected total number of matches?

1 answer:

zepelin [54]3 years ago

4 0

Answer:

Step-by-step explanation:

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$\textsf{Hey there!}$

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