TABLE 18-1
a Local Newspaper Has 10 Delivery Boys Who

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 and construct a p chart to see whether the percentage is too erratic.
$\begin{array}{cc}&\text { Number of Papers }\\\text { Day } & \text { Delivered on Time } \\\hline1 & 46 & \\2 & 45 & \\3 & 46 & \\4 & 45 & \\5 & 43 & \\6 & 48 & \\7 & 46 & \\8 & 49 & \\9 & 48 & \\10 & 47 &\end{array}$

-Referring to Table 18-1, what is the numerical value of the center line for the p chart?

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