Question 41 (1 point) A straight-line assembly line has the following tasks, times, and precedence requirements: Task Task Time (seconds) Immediately Preceding Tasks A 15 B 10 A C 24 A D 9 B E 44 B F 15 D G 20 E H 26 F 10 H J 21 I,G What is the theoretical minimum number of work stations if the required cycle time is 45 seconds? a) 6 b) 2 c) d) 3 e) 5 Question 42 (1 point) Use the network diagram provided below to answer the following question: ES EF LS LF start 10 20 G end If activity E is delayed by 3 weeks (and all other activities occur at their normal duration), the project duration will a) not change b) increase by 1 week c) increase by 2 weeks d) increase by 4 weeks e) increase by 3 weeks Question 43 (1 point) Use the information below to answer the following question: The project manager is using PERT to determine what the probability is of completing the following project for various durations. Durations are in days. B D E Task Optimistic (a) Most Likely (m) Pessimistic (b) A 3 9 15 B 12 18 24 A C 16 25 34 D 6 12 18 C E 9 15 21 What is the probability of completing the project in 60 days or less? a) 89.44% b) 64.62% c) 93.32% d) 74.86% e) 99.38% Question 44 (1 point) An item's daily demand is around 85 units with a standard deviation of 25 units per day. Supplier lead time is 5 days. Assume a 90% "service level" is desired. What reorder point should be recommended? a) 510 units b) 497 units c) 517 units d) 425 units e) 555 units Question 45 (1 point) A retail store sells the following items listed below. Given the provided information for each item, which item should have the most safety stock: Item # Average Daily Demand Daily Demand Standard Deviation Supplier Lead Time Variation 78-8342-6 180 30 +/- 5 days 76-5824-7 70 40 +/- 3 days 72-5743-9 90 20 +/- 3 days 79-4631-2 80 20 +/- 5 days 80-7631-4 140 40 +/- 5 days 82-9317-5 160 30 +/- 3 days a) 79-4631-2 b) 78-8342-6 c) 72-5743-9 d) 76-5824-7 e) 80-7631-4