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: sample no. no. defectives sample no. no. defectives sample no. no. defectives 1 8 11 5 21 17 2 5 12 4 22 13 3 18 13 15 23 7 4 10 14 4 24 8 5 12 15 12 25 14 6 9 16 9 26 11 7 13 17 11 27 13 8 10 18 5 28 5 9 6 19 17 29 13 10 14 20 17 30 3 a) establish 3sigma upper and lower control limits. ucl subscript p = nothing (enter your response as a number between 0 and 1, rounded to three decimal places). lcl subscript p = nothing (enter your response as a number between 0 and 1, rounded to three decimal places). b) why can the lower control limit not be a negative number? a. since the upper control limit is positive. 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 percent of defective records cannot be a negative number. 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 ▼ stricter than the same as not as strict as the standard at birmingham bank.