Airlines On-Time Arrivals The percentages of on-time arrivals for major U.S. airlines range from 68.6 to 91.1. Two regional airlines were surveyed with the following results. At a = 0.10, is there a difference in proportions? Airline A Airline B Number of flights 320 314 Number of on-time flights 249 229 Use p, for the proportion of on-time arrivals for airline A and round all intermediate calculations to at least three decimal places.

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Airlines On-Time Arrivals The percentages of on-time arrivals for major U.S. airlines range from 68.6 to 91.1. Two regional
airlines were surveyed with the following results. At a = 0.10, is there a difference in proportions?
Airline A Airline B
Number of flights
320
314
Number of on-time flights
249
229
Use p, for the proportion of on-time arrivals for airline A and round all intermediate calculations to at least three decimal places.
Transcribed Image Text:Airlines On-Time Arrivals The percentages of on-time arrivals for major U.S. airlines range from 68.6 to 91.1. Two regional airlines were surveyed with the following results. At a = 0.10, is there a difference in proportions? Airline A Airline B Number of flights 320 314 Number of on-time flights 249 229 Use p, for the proportion of on-time arrivals for airline A and round all intermediate calculations to at least three decimal places.
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