what is n? in this problem ?
what are the various variables in the problem?
Survey three of four students ...... Find the probability that at most 3\7 randomly sel... agree?
[Answer: It would be better if you had written out the entire problem for us.
My guess is that n, the sample size, would be 4.
I really doing know what the various variables are. Maybe X = number of students that agree on a certain topic? Only you can answer that since you have the question and we don't.]
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