The batteries from a certain manufacturer have a mean lifetime of 830 hours, with a standard deviation of 70 hours. Assu

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The batteries from a certain manufacturer have a mean lifetime of 830 hours, with a standard deviation of 70 hours. Assu

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The Batteries From A Certain Manufacturer Have A Mean Lifetime Of 830 Hours With A Standard Deviation Of 70 Hours Assu 1
The Batteries From A Certain Manufacturer Have A Mean Lifetime Of 830 Hours With A Standard Deviation Of 70 Hours Assu 1 (72.26 KiB) Viewed 265 times
The batteries from a certain manufacturer have a mean lifetime of 830 hours, with a standard deviation of 70 hours. Assuming that the lifetimes are normally distributed, complete the following statements. of the batteries have lifetimes between 690 hours and (a) Approximately ? 970 hours. (b) Approximately 68% of the batteries have lifetimes between hours and hours. X 5 ?
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