urgent please!

Five dala entry operators work at the data processing department of the Birmingham Bank. Each day for 30 days. the number of defectiva records in a sample of 200 rocords typed by these operators has been noted, as follows: a) Establish 3o upper and lower control limits. UCLp= (enter your response as a number between 0 and 1 , rounded to three decirmal places). LCL= (enter your response as a number between 0 and 1 , rounded to three decimal places). b) Why can the lowor control lirnit not be a negative numbor? A. Since the percent of defective records cannot be a negative numbor. 8. Since the uppor control limit is positive. C. Since the upper control limpt cannot be a negatre number. D. Since the percent of defective records is always a positive number. c) The industry standard for the upper control limit is 0.10. What does this imply about Bimingham Bank's own standards