The lifetimes of certain types of car battery are normally distributed with a mean of 1248 days

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The lifetimes of certain types of car battery are normally distributed with a mean of 1248 days and standard deviation of 185 days. If the supplier guarantees them for 1080 days, what proportion of batteries will be replaced under guarantee?

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Business Statistics Using Excel

ISBN: 9780199659517

2nd Edition

Authors: Glyn Davis, Branko Pecar

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Question Posted: Nov 25, 2023 04:43 AM

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The lifetimes of certain types of car battery are normally distributed with a mean of 1248 days

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Business Statistics Using Excel

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