What is the median of the scores in this stem-and-leaf plot?

75
76
77
78

Stem and leaf plot titled science test scores. Vertical line separates each stem number from its first leaf number. First row. Stem 5. Leaves 8, 9. Second row. Stem 6. Leaves 4, 4, 6, 8. Third row. Stem 7. Leaves 2, 4, 5, 6, 8, 9. Fourth row. Stem 8. Leaves 3, 4, 6, 7, 8. Fifth row. Stem 9. Leaves 1, 3, 3, 5. Key. 7 vertical line 5 means 75.

plz dont guess i need to pass this or i will fail

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.