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Mathematics, 27.05.2020 22:00 girdwood6678
LongLast Inc. produces car batteries. The mean life of these batteries is 60 months. The distribution of the battery life closely follows the normal probability distribution with a standard deviation of eight months. As a part of its testing program, LongLast tests a sample of 25 batteries. What proportion of the samples will have a mean useful life between 58 and 62 months?
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LongLast Inc. produces car batteries. The mean life of these batteries is 60 months. The distributio...
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