The standard deviation of the population of airline departure delays is s = 18.4 minutes. Initially we choose an SRS of 100 departures. | Cheap Nursing Papers

The standard deviation of the population of airline departure delays is s = 18.4 minutes. Initially we choose an SRS of 100 departures.

The standard deviation of the population of airline departure delays is s = 18.4 minutes. Initially we choose an SRS of 100 departures. However, we then decide that we would like to reduce the standard deviation of the sample mean by a factor of 6. What is the new sample size that we must use?

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