A Sugar Processing Plant operates its four evaporators A, B, C, and D at 40%, 30%, 20%, and 30% of the time, respectively. The chemical engineer always speeds to work, and he has the probability 0.2,...

A Sugar Processing Plant operates its four evaporators A, B, C, and D at 40%, 30%, 20%, and 30% of the time, respectively. The chemical engineer always speeds to work, and he has the probability 0.2, 0.1, 0.5, and 0.2 of attaining those operating schedules. What is the probability that he’ll not be able to operate as scheduled for five consecutive days?
a) 0.27 b) 0.09 c) 0.18 d) 0.36 e) None of these