Five data entry operators work at the dela processing department of the Birmingham Bank. Each day for 30 days, the number of defective records in a sample of 250 records typed by tresa operators has been noted, as follows Sample No Sample No. Sample No Defectives No Defectives No. 7 11 18 21 2 5 12 5 22 19 13 16 23 4 10 14 24 5 11 15 11 25 5 B 16 8 26 7 12 17 12 27 B . 18 4 28 O 6 6 20 10 13 20 16 30 a) Estatsh 30 vpper and lower controlli uc, conter your response as a number between 0 and 1. Founded to three decame places LCL - enter your response as a number between 0 and touched to three decan place Why can me lower commit not be a negative num? NRUN 88 OSN No. Defectives 17 12 6 7 13 10 14 6 12 3 OA me petto detective records be negative numer OD Srce the percent of defective records a www.sportive number OG Since the upper controllit cannot be snage number 0.0. Se the work is te c) The wstry stand for the upper tots 0.10 war dot this imply about timingam Bank's own land? The inwandards te ndard Brigham Bank