Procell produces AA batteries used in cordless keyboards. The life of these batteries follows a normal distribution

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Procell produces AA batteries used in cordless keyboards. The life of these batteries follows a normal distribution with a mean of 50.0 hours and a standard deviation of 8 hours. The engineers have tweaked their manufacturing processes. A sample of 25 batteries made using this new process has a mean of 52.25 hours.

Posted Date: May 17, 2024 08:05 PM

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Procell produces AA batteries used in cordless keyboards. The life of these batteries follows a normal distribution

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