SOLUTION: 1: A figure skating coach has 20 athletes and wishes to select 8 to take to a training trip. How many different ways could he select these 8 athletes?
2: The figure skating co
Algebra ->
Permutations
-> SOLUTION: 1: A figure skating coach has 20 athletes and wishes to select 8 to take to a training trip. How many different ways could he select these 8 athletes?
2: The figure skating co
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Question 1195868: 1: A figure skating coach has 20 athletes and wishes to select 8 to take to a training trip. How many different ways could he select these 8 athletes?
2: The figure skating coach decides to enter 6 athletes into a competition. If no ties are allowed, how many different top-two orders are possible for these 6 athletes? Answer by ikleyn(52781) (Show Source):
(1) There are = = 125970 different ways to select 8 athletes from 20 athletes. ANSWER
It is the number of combinations of 20 persons taken 8 at a time.
Notice that the order of selection does not matter in this problem - therefore, we use COMBINATIONS.