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 apchart to see whether the percentage is too erratic.

Day # of Papers Delivered on Time

1 46

2 45

3 46

4 45

5 43

6 48

7 46

8 49

9 48

10 47

Referring to above, what is the numerical value of the lower control limit for thepchart and the numerical value of the center line for thepchart?

Please show me how you came to this conclusion. Thank you!!