To maximize profit, your factor manufactures 1389 scarves per day. Of course, not all scarves are produced perfectly. From
recent maintenance records you know that approximately 34.9% scarves are found to be defective per day. At the end of each
hour, the quality control department randomly selects 7 scarves to test from a batch of 14 scarves.
Question 3.1: Let's assume that each hour is equally likely to have the same proportion of defects. At least how many defects
do we expect in each batch?
