Times for a surgical procedure are normally distributed. Thereare two methods. Method A has a mean of 35 minutes and a standarddeviation of 4 minutes, while Method B has a mean of 39 minutes anda standard deviation of 20 minutes.
(a) Which procedure is preferred if the procedure must becompleted within 35 minutes? Method A, Method B, or Either?
(b) Which procedure is preferred if the procedure must becompleted within 45.0 minutes? Method A, Method B, or Either?
(c) Which procedure is preferred if the procedure must becompleted within 43 minutes? Method A, Method B, or Either?