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Mathematics, 21.12.2019 03:31 zenaidazurita1p6bs1d

Aconsumer activist group wants to determine the mean lifetime of the amazon kindle dx. the consumer activist groups randomly selects 25 kindles and finds that the average lifespan was 38 months with standard deviation 12 months. find a 95% confidence interval for the population mean lifetime of the amazon kindle dx.

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Aconsumer activist group wants to determine the mean lifetime of the amazon kindle dx. the consumer...

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