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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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Skizzle234 Skizzle234
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A manufacturer claims that the mean lifetime of its lithium batteries is 1500 hours. A homeowner selects 25 of these batteries and finds the mean lifetime to be 1470 hours with a standard deviation of 80 hours. Test the manufacturer's claim. Use α = 0.05. Round the test statistic to the nearest thousandth.
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Statistics: Informed Decisions Using Data

Statistics: Informed Decisions Using Data


Edition: 5th
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osvaldoguzmanosvaldoguzman
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