1. Here is some data sourced from Wikipedia regarding the number of major and minor villains that made their rst appearance in a SpiderMan title, summarized by decade: I Decade: |19605 19703 19805 19903 20005 20105| I--Inl (a) What is the probability that a randomly chosen villain from Wikipedia's list was introduced in the 1960s (by the way, Spider-Man rst appeared in 1962)? (b) What is the probability that a randomly chosen villain from Wikipedia's list was introduced before the year 2000? (c) What is the probability that a randomly chosen villain from Wikipedia's list was introduced in the 19605 given that the character was created before the year 2000? (d) What is the probability that a randomly chosen villain from Wikipedia's list was introduced in the 19505