Mathematics, 18.04.2020 03:22 sincere21

A mischievous student wants to break into a computer file, which is password-protected. Assume that there are n= 100 passwords only one of which is correct, and that the student tries possible passwords in a random order. Let N be the number of trials required to break into the file. Determine the PMF of N if unsuccessful passwords are not eliminated from further selections. What is the expected number of trials E(N)?

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A mischievous student wants to break into a computer file, which is password-protected. Assume that...