42.

Five data entry operators work of Data Processing department each day for 20 days the number of defective records in a sample of 250 records typed by these operators has been noted, as follows. SampleNo. No. Defective 1 7 SampleNo. No. Defective 11 12 2 5 12 5 3 10 13 20 4 10 14 4 5 11 15 11 6 8 16 8 7 6 17 12 8 9 18 4 9 6 19 6 10 13 20 25 What is the proportion defective for the first sample? Answer: Five data entry operators work of Data Processing department each day for 20 days the number of defective records in a sample of 250 records typed by these operators has been noted, as follows. SampleNo. No. Defective 1 7 SampleNo. No. Defective 11 12 2 5 12 5 3 10 13 20 4 10 14 4 5 11 15 11 6 8 16 8 7 6 17 12 8 9 18 4 9 6 19 6 10 13 20 25 Based on the control chart you created, was the process in control during the observation period? a. Yes b.No (Type in the answer box only the LETTER corresponding to your choice. Five data entry operators work of Data Processing department at Georgia Bank each day for 20 days, the number of defective records in a sample of 250 records typed by these operators has been noted, as follows. SampleNo. No. Defective 1 7 SampleNo. No. Defective 11 12 2 5 12 5 3 10 13 20 4 10 14 4 5 11 15 11 6 8 16 8 7 6 17 12 8 9 18 4 9 6 19 6 10 13 20 25 If you were to construct a 90% confidence control limit for this process, what will be the correct Z-score to apply in the formula for computing the confidence limits (Type the letter corresponding to your answer - pick the closest value)? a. Z = 2.0 b. Z = 1.96 c. Z = 1.645 d. Z = 1.282 e. Z = 1.0 Answer: Five data entry operators work of Data Processing department each day for 20 days the number of defective records in a sample of 250 records typed by these operators has been noted, as follows. SampleNo. No. Defective 1 7 SampleNo. No. Defective 11 12 2 5 12 5 3 10 13 20 4 10 14 4 5 11 15 11 6 8 16 8 7 6 17 12 8 9 18 4 9 6 19 6 10 13 20 25 What is the size of each sample