Mark’s garden is a rectangle that is meters long and meters wide. if mark decides to fence his garden, the total length of fencing material required would be meters. if he uses prebuilt fence sections that are 50 centimeters wide, he will need sections.

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.