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lexilove262
24.06.2019 •
Mathematics
In soccer, a tie at the end of regulation time leads to a shootout by three members from each team. how many ways can 3 players be selected from 11 players available? for 3 selected players, how many ways can they be designated as first, second, and third?
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Ответ:
C (11.3) = 165
P (3,3) = 6
Step-by-step explanation:
We want to select 3 players out of 11 regardless of the order. That is, there is no difference between selecting the players {2,5,7} or {7,2,5}
Then we use the formula of combinations:
There are 165 ways to choose 3 players out of 11.
Now we want to know how many ways you can designate those 3 players as first, second and third. Now if we care about the order of selection. Then we use permutations.
They can be designated in 6 different ways
Ответ:
no sorry,but thanks for the points
Step-by-step explanation: