Question 534417: A student is asked to answer 9 out of 14 questions on an exam.
(a) Classify the problem as a permutation, a combination, or neither.
In how many ways can she select the questions to be answered?
Answer by solver91311(24713)   (Show Source):
You can put this solution on YOUR website!
It depends on whether the order in which they are answered is important or not, i.e. is answering 1,2,3,4,5,6,7,8,9 the same or different from 2,1,3,4,5,6,7,8,9?
If the two results above are different, then you need !)
If the two results above are the same, then you need !)
John
My calculator said it, I believe it, that settles it
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