5 20 Waiting at an ER Part II Exercise 5 11 provides a 95

Last updated: 3/1/2023

5 20 Waiting at an ER Part II Exercise 5 11 provides a 95 confidence interval for the mean waiting time at an emergency room ER of 128 minutes 147 minutes Answer the following questions based on this interval a A local newspaper claims that the average waiting time at this ER exceeds 3 hours Is this claim supported by the confidence interval Explain your reasoning b The Dean of Medicine at this hospital claims the average wait time is 2 2 hours Is this claim supported by the confidence interval Explain your reasoning c Without actly calculating the interval determine if the claim of the Dean from part b would be supported based on a 99 confidence interval