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 records typed by these operators has been noted, as follows:

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 250 records typed by these operators has been noted, as follows: Sample No. No. Defectives Sample No. No. Defectives Sample No. No. Defectives 1 7 7 17 5 6 2 3 17 4 5 11 11 21 22 23 24 25 26 27 5 11 12 13 14 15 16 17 18 19 20 10 6 7 85749 4722 7 8 12 3 28 29 9 10 17 17 14 30 a) Establish 30 upper and lower control limits. UCLP = (enter your response as a number between 0 and 1, rounded to three decimal places). LCPp =(enter your response as a number between 0 and 1, rounded to three decimal places). b) Why can the lower limit not be a negative number? (I actually know this one but I wanna get all the points down) c) The industry standards for the upper and lower control limits are 0.10 and 0.01, respectively. What does this imply about Birmingham Bank's own standards