Balls selected are of different colors
A bowl haves one red ball, two blue balls and three green balls. Three balls are chosen at random from the bowl. Determine the probability that the three balls selected are of different colors?
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For final exam in a musical theater class, the three students john, kim and lisa are to present a program of 10 songs, with john singing 4 of them and kim and lisa singing 3 each. In how many different orders can the program be presented? Please s
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