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QUESTION
From a group of 12 students, we want to select a random sample of 4 students to serve on a university committee. How many different random samples of...
From a group of 12 students, we want to select a random sample of 4 students to serve on a university committee. How many different random samples of 4 students can be selected?
No of ways to choose r elements from a set of n elements Where, factorial n