SOLUTION: In how many ways can the countries be assigned so that there is at least one North American that is not assigned and at least one South American country that is not assigned? Su

Question 647371: In how many ways can the countries be assigned so that there is at least one North American that is not assigned and at least one South American country that is not assigned?
Suppose that there are total of 16 students in a class. The teacher assigns each student a country for a report. 9 North American and 13 South American can be assigned. Assuming that the order doesn't matter:

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

Might consider the possibilities of only using 8NA and 12SA

For ex:

  +   + +  +  

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