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Different delayed departure rate for airports

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"WestWays magazine sampled random flights from LAX and George Bush Airport (IAH - Houston) to compare their rate of delayed departures.  For LAX, 205 of the 845 flights sampled were delayed;  for IAH, 312 out of 1296.  Test at α = 0.05 whether these samples indicate a different delayed departure rate for these airports.  Do the test by hand (using Minitab just for the p-value) and confirm your results with Minitab. Interpret your results and state your conclusion in terms of the data."

Reference no: EM131083898

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