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Drawing Inferences from Large Samples

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I need help with details on the following problem:

The time it takes for a taxi to drive fro, the office to the airport was recorded on 40 occasions. It was found that x_bar = 47 minutes and s = 5 minutes. Give

a) An estimate of μ = population mean time to drive.

b) An approximate 95.4% error margin.

Thanks

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Solution Summary

Solution attaches a Word file to estimate the mean and error margin for a taxi drive to the airport.

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