Suppose we pick a near-universal random hash function h with range {1,2,3,4} and hash the elements in {1,2,3,4,5,6,7,8,9} with it. What is the tightest upper bound on the expected number of elements that collide with h(1)? [ignoring h(1) itself]

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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Suppose we pick a near-universal random hash function h with range {1,2,3,4} and hash the elements in {1,2,3,4,5,6,7,8,9} with it. What is
the tightest upper bound on the expected number of elements that collide with h(1)? (ignoring h(1) itself)
O 2
Transcribed Image Text:Suppose we pick a near-universal random hash function h with range {1,2,3,4} and hash the elements in {1,2,3,4,5,6,7,8,9} with it. What is the tightest upper bound on the expected number of elements that collide with h(1)? (ignoring h(1) itself) O 2
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