A Lumber Company Sells 8?foot 2x4's to Construction Companies in Three

Essay

A lumber company sells 8?foot 2x4's to construction companies in three states. They have historical sales demand in thousands) for the past 26 weeks, as shown below:
$\begin{array}{ccc}\text { Historical } & \text { Number of } & \text { Relative }\\\underline{\text { Sales } \$ 000 )} &\underline{\text {Weeks Sold }} &\underline{\text { Frequency }}\\5-10 & 5 & .19 \\11-20 & 7 & .27 \\21-30 & 8 & .31 \\31-40 & 6 & 23\end{array}$
They are interested in determining the average number of sales per category for the next five weeks using simulation. They generated the following random numbers for weeks 1?5 respectively: 63, 13, 67, 50, and 71.
a. Based on a scale of 0-99, what random number range should be allocated to sales category of 11-20?
b. What is the average sales corresponding to week 2?
c. What is the average sales over all five weeks?