Suppose that you are using a 3-sigma p chart to monitor the percentage of times that you fail to get phone numbers at bars. Each day for 30 days, you ask 15 different potential friends for their phone number. On average, 6 people did not decline to give you their phone number each day. What would be the upper control limit for the p chart?

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Part 1

A.

50.98%

B.

66.83%

C.

97.95%

D.

2.05%

E.

0.00%

F.

77.95%

G.

100.00%

H.

44.80%

I.

52.65%