The Gallup Poll asked a random sample of 1785 adults whether they attended church during the past week. Let pˆ be the proportion of people in the sample who attended church. A newspaper report claims that 40% of all U. S. adults went to church last week. Suppose this claim is true.

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.