CH. 9, 3 questions only.
Answer using excel spreadsheet. Must show all formulas9.15 Suppose that in Problem 9.14, the standard deviation is 1,200 hours.a. Repeat (a) through (d) of Problem 9.14, assuming a standard deviation of 1,200 hours.b. Compare the results of (a) to those of Problem 9.14.9.14 question and Answer:(9.14 The quality-control manager at a compact flu-orescent light bulb […]