Five data entry operators work at the data processing department of the Birmingham Bank. Each day for 30 days, the number of defective records i sample of 350 records typed by these operators has been noted, as follows: a) Establish 3 upper and lower control limits. UClp= (enter your response as a number between 0 and 1 , rounded to three decimal places). LCLp= (enter your response as a number between 0 and 1 , rounded to three decimal places)