Question

The following table contains data from study of two airlines which fly to small Town, USA.

	Number of flights which were on time	Number of flights which were late
Podunk Airlines	33	6
Upstate Airlines	43	5

Of one of 87 flights is randomly selected, find the probability that the flight selected is an upstate Airline flight or it is a Flight which was late?

-62%

-76%

-13%

-40%

Answer 1

Given Table, Number of flights No. of flight which were Podunk on time Total which were lole Airlines 33 6 39 Upstate Airlines 4 3 5 48 Total 76 87 let event A representa Airline flight. selected flight an upstate let event B represents selected flight which late. Here, need to find P(AUB) P (AUB) = P(A) + P(B) - PLANB) 48 s 87 s 87 87 - 48+11-5 87 54 87 = 0.620689655 62%