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Geo777
28.10.2019 •
Mathematics
There are ten members of the debate team: ann, bill, carla, don, ed, frank, gretchen, harry, isabel, and jen. if they randomly choose three co-leaders of the group, what is the probability that gretchen, don, and carla are chosen as the co-leaders?
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Ответ:
1/120
Step-by-step explanation:
There are 10 members, and three are chose as co-leaders. The number of possible combinations is:
₁₀C₃ = 120
One of those 120 combinations is Gretchen, Don, and Carla. So the probability is 1/120, or approximately 0.83%.
Ответ:
2+5-(3-3)
2+5-0
7-0
7
hope this helps