Maurice Tutor

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    Oct-2001 - Nov-2016

Category > Computer Science Posted 28 Jul 2017 My Price 3.00

trials until success

A man has a set of n keys, one of which fits the door to his apartment. He tries the keys until he finds the correct one. Give the expectation and variance for the number of trials until success if

(a) he tries the keys at random (possibly repeating a key tried earlier)

(b) he chooses keys randomly from among those he has not yet tried.

2. There is a “one-sided” version of Chebyshev’s bound for deviation above the mean: 

Answers

Maurice Tutor
(5)
Status NEW Posted 28 Jul 2017 02:07 PM My Price 3.00

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