Times for a surgical procedure are normally distributed. Thereare two methods. Method A has a mean of 25 minutes and astandard deviation of 6 minutes, while method B has a meanof 29 minutes and a standard deviation of 3.0 minutes.
(a) Which procedure is preferred if the procedure must becompleted within 25 minutes?
Method A
Method B
Either Method
(b) Which procedure is preferred if the proceduremust be completed within 35.0 minutes?
Method A
Method B
Either Method
(c) Which procedure is preferred if the proceduremust be completed within 33 minutes?
Method A
Method B
Either Method
