Determine expected number of collisions use hash function

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Reference no: EM1369939

Suppose we use a hash function h to hash n distinct keys into an array T of length m. Assuming simple uniform hashing, what is the expected number of collisions? More precisely, what is the expected cardinality of {{k, l} : k ≠ l and h(k) = h(l)}?

Reference no: EM1369939

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