TABLE 18-1 A Local Newspaper Has 10 Delivery Boys Who Each Deliver

Multiple Choice

TABLE 18-1
A local newspaper has 10 delivery boys who each deliver the morning paper to 50 customers every day.The owner decides to record the number of papers delivered on time for a 10-day period for one of the delivery boys and construct a p chart to see whether the percentage is too erratic.
-Referring to Table 18-1,what is the numerical value of the center line for the p chart?

A) 0.926
B) 0.911
C) 0.885
D) 0.500