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    Statistics - estimate of population mean, margin of error

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

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

    (b) An approximate 95.4% error margin.

    Finding Population Mean Estimate

    Finding 95.4% Margin of Error

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    Solution Preview

    Given n = 40 , Sample Mean = 47 minutes , Standard Deviation = 5 ...

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