SOLUTION: Suppose that a class of 30 students are assigned to write an essay. if 4 essays are randomly chosen to appear on the class bulletin board, how many different groups of 4 are possi
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Question 487912: Suppose that a class of 30 students are assigned to write an essay. if 4 essays are randomly chosen to appear on the class bulletin board, how many different groups of 4 are possible? Answer by stanbon(75887) (Show Source):
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