need parts a,b,c

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: a) Establish 3 upper and lower control limits. UCLp= (enter your response as a number between 0 and 1 , rounded to three decimal places). a) Eatablish 3a upper and lower control limits. UCLp= (enter your rosponse as a number botweon 0 and 1 , roundod to three docimal placos). LCLp= (enter your response as a number between 0 and 1 , rounded fo three decimal ploces). b) Why can the lower control limit not be a negabive number? A. Since the percent of defective records cannot be a negative number. B. Since the percent of defective records is always a positive number. C. Since the upper control limit cannot be a negative number. D. Since the upper control limit is positive. c) The industry standard for the upper control limit is 0.10. What does this imply about Birmingham Bank's own standards? The industry standard is the standard at Birmingham Bank