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Question: 7. The following table contains data from a study of two airlines which fly to a certain small town. 33 43 Number of flights Number of flights which were on time which were late Podunk Airline Upstate Airline (a) (4 points) If one of the 87 flights is randomly selected, find the probability that the flight selected flight arrived on time given that it was an Upstate Airline flight. A B. C D. E. None of the above (b) (4 points) If one of the 87 flights is randomly selected, find the probability that the flight selected flight arrived on time and it was an Upstate Airline flight. E. None of the above 3 1.13 B. D.–Free Chegg Question Answer

Transcribed text From Image: 7. The following table contains data from a study of two airlines which fly to a certain small town. 33 43 Number of flights Number of flights which were on time which were late Podunk Airline Upstate Airline (a) (4 points) If one of the 87 flights is randomly selected, find the probability that the flight selected flight arrived on time given that it was an Upstate Airline flight. A B. C D. E. None of the above (b) (4 points) If one of the 87 flights is randomly selected, find the probability that the flight selected flight arrived on time and it was an Upstate Airline flight. E. None of the above 3 1.13 B. D.

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Answer:

Answer

Solution:

Given:

Flights Arrived on TimeFlights Arrived LateTotal
Podunk Airline33639
Upstate Airline43548
Total761187

Part a) Find:

P( Flight arrived on Time given that it was an Upstate Airline )=………….?

P( Flight arrived on Time | Upstate Airline )= Number of on time flights from Upstate Airline / Total of Upstate Airline

P( Flight arrived on Time | Upstate Airline )= 43 / 48

Thus correct answer is:

A) 43/48

Part b)

P( Flight arrived on Time and Upstate Airline )=…………….?

P( Flight arrived on Time and Upstate Airline )= Number of on time flights from Upstate Airline / Total flights

P( Flight arrived on Time and Upstate Airline )= 43 / 87

Thus correct answer is:

C) 43 / 87



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