From a group of 12 students, we want to select a random sample of 4 students to serve on a...
Homework Answers
The random samples for 4 students can be construted from a group of 12 students by COMBINATION
COMBINATION = (12,4) = 12! / [ 4! * (12-4)! ]
=495 ways
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From a group of 12 students, we want to select a random sample of 4 students to serve on a...
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