+1995 1. The manager of a local basketball arena wants to survey fans attending a game at the arena about other sports they enjoy.
Yes or No to tell whether each method results in a random sample of the population.
The manager gives a survey to every 20th fan as he or she enters the arena.
The manager makes an announcement during the game that surveys will be available to anyone who wants to take one on the way out.
The manager gives a survey to the first 80 people who leave the arena after the game.
The manager gives a survey to 80 randomly chosen fans who are seated in the rows closest to the court.
I think it is Yes,No,Yes ,No ?
