9. The mean weight of five Oklahoma State University middle weight wrestlers is 157 pounds. The weights of four of the wrestlers are 152.6 pounds, 162.3 pounds,
155 pounds, and 148.7 pounds respectively. What is the weight of the fifth
wrestler?

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%