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 200 records typed by these operators has been noted, as follows: Sample No. No. Defectives Sample No. I Sample No. No. Defectives Defectives Doco OUT AWN- a) Establish 30 upper and lower control limits. UCL = (enter your response as a number between 0 and 1, rounded to three decimal places)