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. 1 2 3 4 5 6 7 8 9 10 No. Detectives 7 4 19 11 10 7 11 10 6 13 Sample No. 11 12 13 14 15 16 17 18 19 20 No. Defectives 6 4 16 5 11 7 12 4 19 15 Sample No. 21 22 23 24 25 26 27 28 29 30 No. Defectives 18 12 7 7 14 10 15 6 12 3 a) Establish Ja upper and lower controllimit UCL - Conter your response as a number between 0 and 1. rounded to three decimal places) LC-fontor your response as a number between 0 and 1, rounded to three decimal ploooa). b) Why can the lower controllimit not be a negative number? A. Since the upper controllimit cannot be a negative number O B. Since the upper controllimit is positive OC. Since the percent of defective records is always a positive number OD. Since the percent of defective records cannot be a negative number c) The Industry standard for the upper controllimit is 0.10 What does this imply about Birmingham Bank's own standards? The Industry standard is the standard at Birmingham Bank