SOLUTION: The airline industry defines an on-time flight as one that arrives within 15 minutes of its scheduled time. The following table shows the number of on-time and late flights leavin

Algebra ->  Probability-and-statistics -> SOLUTION: The airline industry defines an on-time flight as one that arrives within 15 minutes of its scheduled time. The following table shows the number of on-time and late flights leavin      Log On


   

Question 1052579: The airline industry defines an on-time flight as one that arrives within 15 minutes of its scheduled time. The following table shows the number of on-time and late flights leaving Philadelphia and arriving in Orlando between November 1 and December 31, 2009, by airlines:

Airlines On-Time Late

Southwest 259 73
US Airways 287 129
Air Trans 182 80

a. What is the probability that a randomly selected flight was Southwest and was on-time?

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Southwest 259 73===332
US Airways 287 129==416
Air Trans= 182 80===262
==============728=282==1010
Southwest and on time is the upper left corner.
259/1010, the total, is the probability of both and is 0.2564