Question
Times for a surgical procedure are normally distributed. There are two methods. Method A has a mean of 23 minutes and a standard deviation of
Times for a surgical procedure are normally distributed. There are two methods. MethodA has a mean of 23 minutes and a standard deviation of 5 minutes, while method B has a mean of 27 minutes and a standard deviation of 2.5 minutes.
(a)Which procedure is preferred if the procedure must be completed within 24 minutes?
Method A
Method B
Either Method
(b)Which procedure is preferred if the procedure must be completed within 34.5 minutes?
Method A
Method B
Either Method
(c)Which procedure is preferred if the procedure must be completed within 31 minutes?
Method A
Method B
Either Method
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