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A manufacturer knows that on the average 20% of the electric toasters which lie makes will require repairs within 1

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A manufacturer knows that on the average 20% of the electric toasters which lie makes will require repairs within 1 year after they are sold. When 20 toasters are randomly selected, find appropriate numbers x and y such that

(a) The probability that at least x of them will require repairs is less than 0.5;

(b) The probability that at least y of them will not require repairs is greater than 0.8.

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Fundamentals of Aerodynamics

Fundamentals of Aerodynamics

ISBN: 978-0070016798

2nd Edition

Authors: J. Anderson

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Question Posted: February 03, 2011 05:32:34
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