Chapter 8.3, Problem 34BSC

Large Data Sets. In Exercises 33 and 34, use the data set from Appendix B to test the given claim.

34. On-Time Flights Consider a flight to be on time if it arrives no later than 15 minutes after the scheduled arrival time. Refer to Data Set 15 in Appendix B, and use the sample data to test the claim made by CNN that 79.5% of flights are on time. Use a 0.05 significance level.