The constraints of a problem are listed below. What are the vertices of the feasible region?
2x + 3y less than or equal to 12
5x+2y less than or equal to 15 x less than or equal to 0 y less than or equal to 0

Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.