Event B is a subset of the sample space S.
what is represented by the shaded area?

A. the complement of B
B. the intersection of B and S
C. the union of B and S
D. the complements of S

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%