The records of a computer retail store show that out of the 50 customers who purchased a desktop computer last month, all but 12 also purchased a service plan that extends the warranty for an extra year. Out of the 20 customers who purchased a notebook computer last month, all but 6 purchased the same service plan.

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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%

If f(x)=3 over x+2 - square root x-3 then f(7)=