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OpenStudy (anonymous):
Suppose that a company claims that its batteries last 245 hours on average. It took many large samples, and each time the mean number of hours was outside the 95% confidence interval. Based on this information alone, which of the following is probably not the mean number of hours that the company's batteries last? A. 245 B. 230 C. 240 D. 235 Any help is greatly appreciated!
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OpenStudy (anonymous):
Would it be 245 because it says it was always outside of the 95% confidence interval?
OpenStudy (anonymous):
Anyone?
OpenStudy (anonymous):
It was 245.
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