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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 350 records typed by these operators has been noted, as follows: Sample No. Sample Sample No. Defectives No. No. Defectives No. Defectives No. a) Establish 30 upper and lower control limits. UCL = 0.056 (enter your response as a number between 0 and 1. rounded to three decimal places). LCL = 0.002 (enter your response as a number between 0 and 1, rounded to three decimal places). b) Why can the lower controllimit not be a negative number? Click to select your answer(s). a) Establish 30 upper and lower control limits. UCL - 10.056 (enter your response as a number between 0 and 1, rounded to three decimal places). LCL = 0.002 (enter your response as a number between 0 and 1, rounded to three decimal places). b) Why can the lower controllimit not be a negative number? O A. Since the percent of defective records is always a positive number. OB. Since the percent of defective records cannot be a negative number. O c. Since the upper control limit is positive. OD. Since the upper controllimit 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 not as strict as the standard at Birmingham Bank. Click to select your answer(s)