Mathematics
Mathematics, 22.02.2021 18:00, sadiemontoya

If we wish to detect a maximum difference in battery life of 10 hours with a probability of at least 0.90, what sample size should be used? Discuss how you would obtain a preliminary estimate of σ 2 for answering this question.

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If we wish to detect a maximum difference in battery life of 10 hours with a probability of at least...

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