Triple check using Chapter 9 file. triple check with calculator. Round only final answers.

Question B of 9 The average nurse spends 1.25 hours on paperwork during every 8-hour shift. A new procedure is implemented with the hopes of reducing this time. However, given the high cost of changing procedures, the administration wants to be as certain as possible that the new system will actually reduce the time spent on paperwork before making the change. a. Determine what population parameter is being tested: O P O p (rho) b. Determine if the alternative hypothesis is a left-tailed, right-tailed, or two-tailed test: O : right-tailed Of : two-tailed c. Determine the most appropriate level of significance to use: 1%, 5%, or 10% 0 1% 0 5% 0 10%