89. When mapping the process, start with a high-level process map and decompose the process as needed using detailed process maps or swim-lane deployment maps. A. True B. False 90. During the Measure phase, map the "as-is" process, as currently practiced. A. True B. False 91. If a process has 3 process steps (A, B, C) with respective processing rates of 3, 2 and 4 units per hour, what is the throughput rate of this process? A. 3 units per hour B. 9 units per hour C. 2 units per hour D. 4 units per hour 92. If a process has 3 process steps (A, B, C) with respective processing rates 3, 2 and 4 units per hour, which step is the bottleneck? A. B B. A and C C. A D. C 93. Customers are calling the Customer Service call center at the rate of 120 calls per hour, and the call center can at best handle 60 calls per hour. What is the takt rate and takt time? A. 60 seconds, 60 calls/hr B. 60 calls/hr, 120 seconds C. 120 calls/hr, 30 seconds D. 60 seconds, 120 calls/hr 94. Customers are calling the Customer Service call center at the rate of 120 calls/hr, and the call center can at best handle 60 calls/hr. What is the call cycle time? A. 30 seconds B. 1 minute C. 1 hour D. 1 second 95. You need to have a 95% confidence level in estimating the population mean length of parts which has a standard deviation of 2 inches. You want to be accurate within plus/minus half inch. What is the required sample size? A. 15 B. 8 C. 62 D. 61