23. According to Health Affairs (October 28, 2004), in a typical emergency room, 40% of patients have an average wait time of 30 minutes to see a doctor. On a day when 150 patients visit the emergency...

#23

Extracted text: 23. According to Health Affairs (October 28, 2004), in a typical emergency room, 40% of patients have an average wait time of 30 minutes to see a doctor. On a day when 150 patients visit the emergency room, determine the following. a. What is the mean? b. What is the standard deviation? c. Find the probability that more than 80 patients will have the average wait time. d. Find the probability that fewer than 80 patients will have the average wait time. * & %23 6 8 9. 3. 4. t e f h k