Question

please show all work

Question 7 (8 points) The following table contains data from a study of two airlines which fly to Small Town, USA. #flights on time 33 #flights late Podunk Airlines Upstate Airlines 6 43 5 a. (1 pt.) If one of the flights is randomly selected, what is the probability that the flight is an Upstate Airline, given that it is late? b. (4 pts.) If one of the flights is randomly selected, what is the probability that the flight is late or Podunk? Show your work! C. (3 pts.) If two flights are randomly selected without replacement, what is the probability that both are on time? Show your work!

Answer 1

Sol Given Table, Tord #flight on time flights lake Podunk Airlines 39 33 6 48 Upstate Airlines 43 5 Total 87 76 a) Here we need to find (Upstate Airlines I late) P(Upstate Airlines AND lake) P(Late) 5/87 1187 ř 0.4545 11 b) Here, we need to find pleate or Podunk] P(late) + P (po Podunk) - P (Late AND Podunk) 39 + 6 87 87 87 11+39-6 44 0.505 7. 87 87

c) Here, two flights ar are randomly selected without replacement The probability that both are on time 76 c2 8FC2 76! 21 74! 7! 2185! 76X75 87%&6 07618