SOLUTION: A reading list for a course contains 25 articles. How many ways are there to choose three articles from this list?

Algebra ->  Probability-and-statistics -> SOLUTION: A reading list for a course contains 25 articles. How many ways are there to choose three articles from this list?      Log On


   

Question 841815: A reading list for a course contains 25 articles. How many ways are there to choose three articles from this list?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

A reading list for a course contains 25 articles. 

How many ways are there to choose three articles from this list?

  25C3 = 25%2A24%2A23%2F%283%2A2%2A1%29+     |nCx = n%21%2F%28x%21%28n-x%29%21%29