Please help
The batteries from a certain manufacturer have
distributed, complete the followi...
Mathematics, 10.05.2021 06:30 grayammip095l9
Please help
The batteries from a certain manufacturer have
distributed, complete the following statements.
mean lifetime of 810 hours, with a standard deviation of 90 hours. Assuming that the lifetimes are normally
(a) Approximately
V of the batteries have lifetimes between 540 hours and
1080 hours
(b) Approximately 68% of the batteries have lifetimes between hours and
LO hours
5
2
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