The following table shows the percentage of on-time arrivals,the number of mishandled baggage reports per 1,000 passengers, andthe number of customer complaints per 1,000 passengers for 10airlines.
| Airline | On-TimeArrivals
(%) | MishandledBaggage
per 1,000 Passengers | CustomerComplaints
per 1,000 Passengers |
|---|
| Airline 1 | 83.3 | 0.79 | 1.50 |
| Airline 2 | 79.1 | 1.91 | 0.80 |
| Airline 3 | 86.9 | 1.64 | 0.95 |
| Airline 4 | 86.5 | 2.13 | 0.76 |
| Airline 5 | 87.2 | 3.04 | 0.47 |
| Airline 6 | 78.2 | 2.21 | 1.11 |
| Airline 7 | 83.1 | 3.18 | 0.23 |
| Airline 8 | 85.7 | 2.19 | 1.70 |
| Airline 9 | 77.1 | 2.89 | 1.77 |
| Airline 10 | 77.2 | 3.79 | 4.29 |
(a)
If you randomly choose an Airline 4 flight, what is theprobability that this individual flight has an on-time arrival?
(b)
If you randomly choose one of the 10 airlines for a follow-upstudy on airline quality ratings, what is the probability that youwill choose an airline with less than two mishandled baggagereports per 1,000 passengers?
(c)
If you randomly choose 1 of the 10 airlines for a follow-upstudy on airline quality ratings, what is the probability that youwill choose an airline with more than one customer complaint per1,000 passengers?
(d)
What is the probability that a randomly selected Airline 3flight will not arrive on time?
