Question:

A website provides data on the on time performance of

Last updated: 11/9/2023

A website provides data on the on time performance of

A website provides data on the on time performance of airlines Suppose that the tables below summarize data from this website for flights that occurred over a 1 year time period a The following table summarizes data for flights leaving the Phoenix and Seattle airports for two airlines Airline A and Airline B On Time Departure Airline A Airline B Total 33 001 46 787 79 788 Late Departure Total Airline A 4 550 37 551 6 526 53 313 Suppose that one of these flights is selected at random 1 What is the probability that the flight had an on time departure Round your answer to four decimal places 11 076 90 864 ii What is the probability that the flight had an on time departure given that it was an Airline A flight Round your answer to four decimal places iii What is the probability that the flight had an on time departure given that it was an Airline B flight Round your answer to four decimal places iv Which airline had the better on time performance Airline A Airline B 29 392 b Now consider the flight data for just the Phoenix airport On Time Departure Late Departure Total 3 792 33 184