Airline fares for a flight from Dallas to Austin are $30 for first class and $25 for tourist class. If a flight flight had 52 passengers who paid $1360, how many first class and tourist class passengers were there?

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000