[Step-by-Step] Refer to Problem 3.26. If we wish to detect a maximum difference in battery life of 10 hours with a probability of at least 0.90, what sample
Question: Refer to Problem 3.26.
- 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 \(\sigma^{2}\) for answering this question.
Deliverable: Word Document 
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