MSci609_Quiz_3

MSci609_Quiz_3 - QUIZ3 NAME ID Problem Water in the Greater...

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Department of Management Sciences Faculty of Engineering University of Waterloo MSci 609 Quantitative data Analysis for Management Sciences QUIZ 3 NAME: ID: Problem : Water in the Greater Toronto Area is provided by the City to approximately 1.4 million people, who are served through more than 362,000 accounts. All accounts are metered and billed monthly. The probability that an account has an error in a month is 0.001, and accounts can be assumed independent. a) What is the mean and standard deviation of the number of account errors each month? b) What is the probability of fewer than 350 errors in a month? c) Find the number of accounts that corresponds to probability of errors exceeds 0.05. (Do not forget to account for
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This note was uploaded on 01/12/2012 for the course MSCI 609 taught by Professor Almehdawe,eman during the Fall '10 term at Waterloo.

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