I randomly selected 15 unopened paint bottles I have lying around my house. I measured their volume: the sample mean vol

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answerhappygod
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I randomly selected 15 unopened paint bottles I have lying around my house. I measured their volume: the sample mean vol

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I randomly selected 15 unopened paint bottles I have lying
around my house. I measured their volume: the sample mean volume is
162.0 ml with a sample standard deviation of 10.0 ml. Construct a
90% confidence interval for the population mean volume. Assume the
volumes are approximately normally distributed.
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