Instruction 18-2
a Local Newspaper Has 10 Delivery Boys Who

Multiple Choice

Instruction 18-2
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.
$$\begin{array} { | c | c | } \hline \text { Day } & \begin{array} { c } \text { Number of } \\\text { Papers Deliverd } \\\text { on Time }\end{array} \\\hline 1 & 46 \\\hline 2 & 45 \\\hline 3 & 46 \\\hline 4 & 45 \\\hline 5 & 43 \\\hline 6 & 48 \\\hline 7 & 46 \\\hline 8 & 49 \\\hline 9 & 48 \\\hline 10 & 47 \\\hline\end{array}$$
-Referring to Instruction 18-2,what is the numerical value of the centre line for the p chart?

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