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 300 records typed by these operators has been noted as follows a Establish 30 upper and lower control limits UCL Sample No LCLp b Why can the lower control limit not be a negative number 1 2 677494556 10 No Defectives 8 4 20 10 12 8 13 9 7 14 Sample No 11 12 13 14 15 16 17 18 19 20 No Defectives 7 5 16 3 11 9 11 5 18 15 enter your response as a number between 0 and 1 rounded to three decimal places enter your response as a number between 0 and 1 rounded to three decimal places Sample No 21 22 23 24 25 26 27 28 29 30 OA Since the percent of defective records cannot be a negative number B Since the upper control limit cannot be a negative number C Since the percent of defective records is always a positive number OD 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 No Defectives 16 11 6 6 14 10 14 5 11 3