A survey of 30 houscholds found that the mean age of a LED TV is 4 years. Assuming that the standard deviation of the po

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answerhappygod
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A survey of 30 houscholds found that the mean age of a LED TV is 4 years. Assuming that the standard deviation of the po

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A survey of 30 houscholds found that the mean age of a LED TV is 4 years. Assuming
that the standard deviation of the population is 0.75 year, find the best point estimate of
the population mean with 99% confidence interval of the population mean.
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