How well do airline companies serve their customers? A study showed the following customerratings: 3% excellent, 28% good, 45% fair, and 24% poor (BusinessWeek, September11, XXXXXXXXXXIn a follow-up...

How well do airline companies serve their customers? A study showed the following customerratings: 3% excellent, 28% good, 45% fair, and 24% poor (BusinessWeek, September11, 2000). In a follow-up study of service by telephone companies, assume that asample of 400 adults found the following customer ratings: 24 excellent, 124 good,172 fair, and 80 poor. Is the distribution of the customer ratings for telephone companiesdifferent from the distribution of customer ratings for airline companies? Test witha  .01. What is your conclusion?