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I have ( y + 7 ) TA's, but only 3 of them will grade. How many ways can I assign them to grade Midterm
I have y TA's, but only of them will grade. How many ways can I assign them to grade Midterm Midterm and Final such that no one grades two tests.
I have y TA's, but only of them will grade. How many ways can I assign them to grade Midterm Midterm and Final such that no one grades two tests.
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