Suppose that a company claims that its batteries last 250 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 notthe mean number of hours that the companys batteries last?

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06-06-2024
Mathematics

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Suppose that a company claims that its batteries last 250 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 notthe mean number of hours that the companys batteries last?

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