A building has three elevators Each elevator is out of order 30 of the time The following set of random numbers represents 20

Question

A building has three elevators Each elevator is out of order 30 of the time The following set of random numbers represents 20 simulations of the elevators with 0 1 and 2 representing a broken elevator and 3 4 5 6 7 8 and 9 representing a working elevator In how many of the simulations were all three elevators working 931 188 763 841 404 396 011 843 OA 8 OB 10 OC 11 D 9 559 144 652 277 653 673 599 797 414 761 273 844

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