5.104 The probability of a customer arrival at a grocery service counter in any 1-second interval is

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5.104 The probability of a customer arrival at a grocery service counter in any 1-second interval is equal to 0.1. Assume that customers arrive in a random stream and hence that the arrival at any one second is independent of any other.

a Find the probability that the fist arrival will occur during the third 1-second interval.

b Find the probability that the first arrival will not occur until at least the third 1-second interval.

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Probability And Statistics For Engineers

ISBN: 9781133006909

5th Edition

Authors: Richard L Scheaffer, Madhuri Mulekar, James T McClave, Cecie Starr

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