The lifetime of a certain type of battery is normally distributed with mean value 13 hours...

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The lifetime of a certain type of battery is normally distributed with mean value 13 hours and standard deviation 1 hour. The

math Statistics-And-Probability

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solution Geven, 0 mean 13 hours standard denation, T- 1 hour nza top 54 70.05 1.645 The formula of Z-score Xo-ll alta 1.645 Y

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The lifetime of a certain type of battery is normally distributed with mean value 13 hours...

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