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23 January, 19:44

There are 10 students in a classroom, including the triplets Hugh, Stu, ans Lou. if 3 of 10 are randomly selected to give speeches, what is the probability that Hughs will be first, Stu will be second, and Lou will be third?

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  1. 23 January, 21:38
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    1/10 for Hugh to be first and after he is picked only 9 students remain so 1/9 for stu and after he is picked only 8 remain to be chosen so 1/8 for lou. The chance of all three happening is 1/10*1/9*1/8=1/720 this is the probability that 3 triplets will be chosen in that exact order out of 10 students
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