The company needs to select the top three outstanding employees from 15 employees. How many selection methods are there?
Question
Solution 1
To solve this problem, we need to use the combination formula, which is used when the order of selection does not matter. The formula is:
C(n, k) = n! / [k!(n-k)!]
Where:
n is the total number of items (in this case, 15 employees)
k is the number of items to choose (in this case, 3 employees)
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