The mean monthly water bill for 52 residents of the local apartment complex is $73. What is the best point estimate for the mean monthly water bill for all residents of the local apartment complex?

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%