SOLUTION: An instructor gives an exam with fourteen questions. Students are allowed to choose any ten to answer.
Suppose six questions require proof and eight do not.
How many groups of
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Question 1062837: An instructor gives an exam with fourteen questions. Students are allowed to choose any ten to answer.
Suppose six questions require proof and eight do not.
How many groups of ten questions contain four that require proof and six that do not?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
The number of combinations is 6C4*8C6
That is 15*28=420.
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