Linda drove to her boyfriend's house and found him waxing his car. this job usually takes him 3 hours. she wanted her boyfriend to take her to the show which was starting in 2 hours. she offered to him, but she knew she would need 4 hours to wax the car by herself. she wondered how long both of them would need to wax the car. calculate the number of hours it will take. (round your answer to the nearest tenth.)

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.