a medical researcher needs 6 people to test the effectiveness of an
experimental drug. if 13 p...
Mathematics, 09.12.2019 21:31 angela613972
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? *
combination; 1,716 or permutation; 1,235,520
Answers: 2
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