Suppose the life of a particular brand of calculator battery is normal distributed with a mean of

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Suppose the life of a particular brand of calculator battery is normal distributed with a mean of 75 hours and a standard deviation of 10 hours.

What is the probability that a single battery randomly selected from the population will have a life between 70 and 80 hours?

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Business Statistics A Decision Making Approach

ISBN: 9780133021844

9th Edition

Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry

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Question Posted: Feb 08, 2013 02:42 AM

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Suppose the life of a particular brand of calculator battery is normal distributed with a mean of

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Business Statistics A Decision Making Approach

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