The cost of a piece of machinery is $1,750 if supplied by company a and $1,680 if supplied by company b. company a's contract offers unlimited repairs for $25 per month. company b's contract charges $150 per repair. the table lists the probabilities of the number of repairs required by company b's machinery during one year. number of repairs 0 1 2 3 probability 0.25 0.41 0.22 0.12 based on the data provided, which statement about the total cost for one year 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.