Mathematics, 20.06.2021 20:30 egr1387
4 points
As part of its quality assurance program, the Autolite Battery Company conducts tests on battery life. For a particular D-cell alkaline battery, the mean life is 12 hours. The useful life of the battery follows a normal distribution with a standard deviation of 1.5 hours. Virtually all of the batteries failed between what two values? Round your answers to one place past the decimal.
Low Value:
High Value:
Answers: 3
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