Mathematics, 14.09.2021 15:30 ella3714

A medical researcher needs 6 people to test the effectiveness of an experimental drug. If 13 people have volunteered for the
test, in how many ways can 6 people be selected? Decide if it is
a combination or permutation, then find the answer.

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A medical researcher needs 6 people to test the effectiveness of an experimental drug. If 13 peopl...