The following table shows the percentage of on-time arrivals, the number of mish

Question

The following table shows the percentage of on-time arrivals, the number of mishandled bags per 1000 passengers and the number of customer complaints per 1000 passengers for 10 airlines. a) If you randomly chose a Delta Airlines fight, what is the probability that this individual flight has an on-time arrival? b) If you randomly chose one of the ten airlines for a follow up study on airline quality ratings, what is the probability that you will choose an airline with less than two mishandled bags per 1000 customers? c) If you choose one of the ten airlines for a follow up study on airline quality ratings, what is the probability that you will choose an airline with more than one customer complaint per 1000 customers? d) What is the probability that a randomly selected AirTran Airways flight will not arrive on tims?

Explanation / Answer

a) from given table probability that Delta Airline flight has an on time arrival =0.865

b)as there are 3 airlines listed in top where case of mishandled bags are less then 2 ; therefore

probability that airline has less then 2 mishandled bags per 1000 customers =3/10 =0.3

c)as there are 5 airlines with more then 1 customer complaint per 1000 customers;

therefore probability =5/10 =0.5

d)probability that Air Tran Airways flight will not arrive on time =1-probability it will be on time =1-0.871=0.129

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