Five data entry operators work at the data processing department of the Royal Bank. Each day for 30 days, the number of defective records in a sample of 300 records typed by these operators has been noted, as follows: Sample No. Sample No. 1 1 2 3 4 No. Defectives 8 5 19 9 12 7 11 10 6 14 Sample No. 11 12 13 14 15 16 17 18 19 20 No. Defectives 7 6 16 5 10 9 11 4 19 16 No. Defectives 18 12 5 7 13 9 15 6 13 21 22 23 24 25 26 27 28 29 30 5 6 7 8 9 10 2 a) Establish 30 upper and lower control limits. UCL (onter your response as a fraction between 0 and 1, rounded to three decimal places). LCL - L (enter your response as a fraction between 0 and 1, rounded to three decimal places). = b) Why can the lower controllimit not be a negative number? O A. Since the upper controllimit is positive. OB. Since the upper controllimit cannot be a negative number. O C. Since the percent of defective records cannot be a negative number. OD. Since the percent of defective records is always a positive number. c) The industry standards for the upper and lower control limits are 0.10 and 0.01, respectively. What does this imply about Royal Bank's own standards? The industry standards are those at Royal Bank