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OpenStudy (anonymous):

A class has 20 students. If the teacher is randomly putting students in groups of 3 to complete a project, what is the probability that three students who are best friends will be together? 1/20 3/20 1/1,140

OpenStudy (anonymous):

The last one

OpenStudy (anonymous):

u sure?

OpenStudy (anonymous):

I didn't do the math but I'm pretty sure the first two are too small since there would be a lot of different combinations.

OpenStudy (anonymous):

haha well thanks

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