Question 7The ebm for 90% confidence interval is approximately 0.1 hours the lower 90% confidence interval bound is ?1.4 hours 2 hours 1 hour1:6 hoursAnswer question 5 , 6 , 7

A hospital is trying to cut down on emergency room wait times. It is interested in the amount of time patients must wait before being called back to be examined. An investigation committee randomly surveyed 70 patients. The sample mean wait time was 1.5 hours with a sample standard deviation (s) of 0.5 hours. Question 5 (3 points) Which distribution should you use for this problem? O Normal Distribution - N(1.5, 0.5) Student's T Distribution - df=70 O Normal Distribution - N(1.5, 0.5 V70 Student's T Distribution - df=69 Question 6 (3 points) The EBM for a 98% confidence interval is: 0.119 O0.224 O0.142 0.010