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Taryn has 15 soccer trophies but she only has room to display 9 ofthem on a shelf. If she chooses them at random, what is the probability that eachof the trophies from the school invitational from the
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Taryn has 15 soccer trophies but she only has room to display 9 ofthem on a shelf. If she chooses them at random, what is the probability that eachof the trophies from the school invitational from the 1st through 9th grades will bechosen?

User LeandreM
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C_9 = (15!)/(15-9)!(9!) = 5005

number of favorable outcomes/ total number of outcomes= 1/5005

=0.0001998

User Bseaborn
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