Times for a surgical procedure are normally distributed. There are two methods. Method A has a mean of 35 minutes and a standard deviation of 3 minutes, while method B has a mean of 39 minutes and a standard deviation of 1.5 minutes. (a) Which procedure is preferred if the procedure must be completed within 34 minutes? O Method A Method B O Either Method (b) Which procedure is preferred if the procedure must be completed within 40.0 minutes? O Either Method Method A O Method B (c) Which procedure is preferred if the procedure must be completed within 43 minutes? Method A O Method B Either Method