Suppose that we want to find a 95% confidence interval for the mean revolving balance for the population of applicants that own a home. Use the following data sample mean $12,630.37, sample standard deviation 5,393.38, and sample size 27What is the upper limit of the 95% confidence interval?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

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%

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer