Question 755074: My morning class has 20 students, I want to randomly select 3 students to assign grades in such a way that the first student will receive an A, the second a B, and the third a C. How many possible combinations of students can assign these grades to?
1. 20c3
2. 20!*3!
3. 20^3
4. 20P3
I think its either 1 or 4.
Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! My morning class has 20 students, I want to randomly select 3 students to assign grades in such a way that the first student will receive an A, the second a B, and the third a C. How many possible combinations of students can assign these grades to?
Ans: 20C3 = (20*19*18)/(1*2*3)
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Cheers,
Stan H.
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1. 20c3
2. 20!*3!
3. 20^3
4. 20P3
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