e 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 200 records typed by these operators has been noted follows: No. Defectives Sample No. 1 2 3 4 5 6 7 8 9 10 4 20 9 12 7 11 10 5 14 Sample No 11 12 13 14 15 16 No. Defectives 5 4 15 5 11 7 12 Sample No 21 22 23 24 25 20 27 No. Defectives 18 11 6 7 14 9 14 5 18 19 20 18 16 29 30 4 a) Establish 30 upper and lower control limits. UCL = (enter your response as a number between 0 and 1, rounded to three decimal places). LCL = (enter your response as a number between 0 and 1, rounded to three decimal places). b) Why can the lower controllimit not be a negative number? A. Since the percent of defective records is always a positive number. B. Since the percent of defective records cannot be a negative number. C. Since the upper controllimit is positive. D. Since the upper controllimit cannot be a negative number. c) The industry standard for the upper controllimit is 0.10. What does this imply about Birmingham Bank's own standards? The industry standard is the standard at Birmingham Bank. Click to select your answer(s). so uppe (enter your response as a number between 0 and 1, 7. = (enter your response as a number between 0 and 1, n the lower control limit not be a negative number? Since the percent of defective records is always a positive number. Since the percent not be a negative number Since the upper not as strict as Since the upper stricter than negative number. e industry standard the same as t is 0.10. What does this im industry standard is the standard at Birmingham Bank. ck to select your answer(s). 28 d