posted by sarah on .
: an airline offers discounted advanced purchase fares to customers who buy tickets more than 30 days before travel and charges regular fares for tickets purchased in the last 30 days before travel. The airline notices 60% of its customers take advantage of the advanced purchase fares. The no-shows rate for people who paid regular price is 30%. The no-show rate for people who paid advance purchase was 5%. What is the probability that a customer that is a no-show had an advanced fare? What percent of all ticket holders were no shows.