The probability of a machine operator producing a defective

The probability of a machine operator producing a defective t any point in time is 0.0027. What is the probability that she will produce three bad parts in succession? 0.0054 0.0081 0.0000000197

Solution

Ans.probability of producing 3 bad parts in succession=0.0027×0.0027×0.0027=0.00000001968

Thus its answer is (c)