John took four tests.
He earned an 80 on
three of the tests and
a 90 on the fourth
test. What is the
average of those
tests? Do not round.

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%