Step Time Probability 0.15 0.25 0.35 0.25 Step Time Probability 12 13 0.25 0.30 0.45 Step Time Probability 10 12 14 0.35 0.20 0.45 t an electronics manufacturing facility, the quality of a device is examined sequentially in ree steps before it is sent to the shipping department. The probability distributions for the ime required to complete each of the inspection steps are given in the table above. Considering that shorter times are better, compute total time to complete the three inspection teps for the worst case scenario