The Anderson Lumber Company Has Three Sawmills That Produce Boards

Multiple Choice

The Anderson Lumber Company has three sawmills that produce boards of different lengths. The following table is a joint frequency distribution based on a random sample of 1,000 boards selected from the lumber inventory. Based on these data, if a board is selected that is 12 feet long, the probability that it was made at sawmill A is:

A) 0.08
B) 0.41
C) 0.24
D) 0.20