Please show your work in detail so I understand how you arrived at the answer.
Rockness Recycling refurbishes rundown business students.
The process uses a moving belt, which carries each student through they've steps of the process in sequence. The ?ve steps are as follows:
SETUP ................DESCRIPTION ..........................................TIME REQUIRED PER STUDENT
| 1 |
Unpack and place on belt |
1.0 minute |
| 2 |
Strip off bad habits |
1.5 minutes |
| 3 |
Scrub and clean mind |
0.8 minute |
| 4 |
Insert modern methods |
1.0 minute |
| 5 |
Polish and pack |
1.2 minutes |
One faculty member is assigned to each of these steps. Faculty members work a 40-hour week and rotate jobs each week. Mr. Rockness has been working on a con-tract from General Eclectic, which requires delivery of 2,000 refurbished students per week.
A representative of the human resources department has just called complaining that the company hasn't been receiving the agreed-upon number of students. A check of ?nished goods inventory by Mr. Rockness reveals that there is no stock left. What is going on?
You are the newly appointed assistant administrator at a local hospital, and your ?rst project is to investigate the quality of the patient meals put out by the food-service de-partment.
You conducted a 10-day survey by submitting a simple questionnaire to the 400 patients with each meal, asking that they simply check off that the meal was either sat-isfactory or unsatisfactory. For simplicity in this problem, assume that the response was 1,000 returned questionnaires from the 1,200 meals each day. The results are as follows:
| DATE |
NUMBER OF
UNSATISFACTORY MEALS
|
SAMPLE SIZE |
| December 1 |
74 |
1,000 |
| December 2 |
42 |
1,000 |
| December 3 |
64 |
1,000 |
| December 4 |
80 |
1,000 |
| December 5 |
40 |
1,000 |
| December 6 |
50 |
1,000 |
| December 7 |
65 |
1,000 |
| December 8 |
70 |
1,000 |
| December 9 |
40 |
1,000 |
| December 10 |
75 |
1,000 |
| TOTALS |
600 |
10,000 |
a. Construct a p -chart based on the questionnaire results, using a con?dence interval of 95.5 percent, which is two standard deviations.
b. What comments can you make about the results of the survey?