SOLUTION: Mr. Box doesn't want to make it easy for his students to cheat. He uses a 8 question problem bank to assign his students quiz questions. How many different 4 problem quizzes can he
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Question 1194277: Mr. Box doesn't want to make it easy for his students to cheat. He uses a 8 question problem bank to assign his students quiz questions. How many different 4 problem quizzes can he make if the order of the questions is not considered? Answer by ikleyn(52786) (Show Source):
You can put this solution on YOUR website! .
Mr. Box doesn't want to make it easy for his students to cheat.
He uses a 8 question problem bank to assign his students quiz questions.
How many different 4 problem quizzes can he make
if the order of the questions is not considered?
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This question is "how many different combinations of 8 questions taken 4 at a time are possible ?"
By applying the standard formula for combinations, the answer is
= = 70.
Solved.
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Since the order of questions does not matter, this problem is on COMBINATIONS.