Chapter 11, Problem 29P

Use the following information to answer the next seven exercises: Transit Railroads is interested in the relationship between

travel distance and the ticket class purchased. A random sample of 200 passengers is taken. Table 11.31 shows the results.

The railroad wants to know if a passenger’s choice in ticket class is independent of the distance they must travel.

Traveling Distance	Third class	Second class	First class	Total
1−100 miles	21	14	6	41
101−200 miles	18	16	8	42
201−300 miles	16	17	15	48
301−400 miles	12.00%	14	21	47
401−500 miles	6	6	10	22
Total	73	67	60	200

Table 11.31

How many passengers are expected to travel between 401 and 500 miles and purchase first-class tickets?