In Exercise 5-3, about how many replications would be required to bring the half width of a 95% conf dence interval for the expected average cycle time for both Figure 6-14. Category Overview Report kel01315_ch06_279-310.indd 303 05/12/13 3:27 PM 304 Chapter 6 trimmers down to one minute? (You don’t need to do this, just do something to estimate the approximate number of replications that would be required.)