21. THE PROBABILITY THAT ANY 2 INDIVIDUALS IN THE GROUP ARE NOT FRIE...
5/21. The probability that any 2 individuals in the group are not
friends = 1 – 5/21 = 16/21. The correct answer is E.
5/21. The probability that any 2 individuals in the group are not
friends = 1 – 5/21 = 16/21. The correct answer is E.