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Population proportion?
According to a study of the 10 largest US domestic airlines, Southwest Airlines has the lowest
Proportion of late arrivals, at 0.1577. Suppose you were asked to perform a follow-up study for Southwest Airlines in order to update the estimated proportion of late arrivals. What sample size Would you use in order to estimate the population proportion to within an error of ±0.04 with 95% Confidence? 7. |
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