SOLUTION: a 10 person student council will be selected from 18 students at a school. how many possibilities are there for this student council?
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Question 783909: a 10 person student council will be selected from 18 students at a school. how many possibilities are there for this student council?
Answer by xinxin(76) (Show Source): You can put this solution on YOUR website!
The first sentence implies that the order of 10 students does not matter in this problem, therefore we can use combination formula to solve this:
C(18,10)=(18*17*16*15*14*13*12*11*10*9)/10!=43758
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