Question: The time it takes for a taxi to drive from the office to the airport was recorded on 40 occasions. It was found that

The time it takes for a taxi to drive from the office to the airport was recorded on 40 occasions. It was found that = 47 minutes and 5 = 5 minutes. Give
(a) An estimate of μ = population mean time to drive.
(b) An approximate 95.4% error margin.

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