Rich Cole Controls Devices, Inc., produces customs-built relay devices for auto makers. The most recent project undertaken by Cole requires 14 different activities. The appropriate data are shown in the following table:

a. The expected completion time of the project?

b. If the time no complete the activities on the critical path is normally distributed, then the probability that the critical path will be finished in the 53 days or less?

c. Number of days that would result in 99% probability of completion?