Suppose That Over the Last 20 Weeks, a Law Firm

Multiple Choice

Suppose that over the last 20 weeks, a law firm had a total of 1045 consultation calls, and that 126 of them did not get an appointment for an initial consult within 24 hours.The centerline on the appropriate control chart for these data is ________________________ .

A) 0.006
B) 0.098
C) 0.121
D) 0.223
E) 0.412