Question

The following table shows the percentage of on-time arrivals, the number of mishandled baggage reports per 1,000 passengers, and the number of customer complaints per 1,000 passengers for 10 airlines.

Airline	On-Time Arrivals (%)	Mishandled Baggage per 1,000 Passengers	Customer Complaints 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 the probability that this individual flight has an on-time arrival?

(b)

If you randomly choose one of the 10 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 baggage reports per 1,000 passengers?

(c)

If you randomly choose 1 of the 10 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 1,000 passengers?

(d)

What is the probability that a randomly selected Airline 3 flight will not arrive on time?

Answer 1