Five data entry operators work at the data processing department of the Birmingham Bank. Each day for 30 days, the number of defective records in a sample of 350 records typed by these operators has been noted, as follows: a) Establish 30 upper and lower control limits. UCL, LCLp b) Why can the lower control limit not be a negative number? = Sample No. = 1 2 3 4 5 6 7 8 9 10 No. Defectives 8 5 OA. Since the percent of defective records cannot be a negative number. OB. Since the percent of defective records is always a positive number. OC. Since the upper control limit is positive. 19 11 11 8 12 10 7 12 Sample No. 11 12 13 14 15 16 17 18 19 20 No. Defectives 7 5 F3F395 17 10 7 11 19 15 (enter your response as a number between 0 and 1, rounded to three decimal places) (enter your response as a number between 0 and 1, rounded to three decimal places). Sample No. 21 22 23 24 25 26 27 28 29 30 No. Defectives 17 11 6 8 12 10 13 7 11 4 Next

Five data entry operators work at the data processing department of the Birmingham Bank. Each day for 30 days, the number of defective records in a sample 0 operators has been noted, as follows: a) Establish 3 upper and lower control imits UClp=(enteryourresponseasanumberbetween0andt,roundedtothreedocimalplaces). LClp= (enteryourresponseasanumberbetween0and1,roundedtotheedecmasplaces). b) Why can the lower controt limst not be a negavive number? A. Since the percent of defoctive reconds camot be a negative number: B. Since the percert of defective records is aways a posibve number. C. Since the upper conterd limat is positive