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 6 11 5 21 18 2 4 12 5 22 11 3 18 13 15 23 5 4 9 14 5 24 6 5 10 15 10 25 14 6 9 16 7 26 9 7 12 17 13 27 13 8 9 18 4 28 7 9 7 19 17 29 13 10 13 20 16 30 3 a) establish 3sigma upper and lower control limits. ucl subscript p = . 161 (enter your response as a number between 0 and 1, rounded to three decimal places).