Times for a surgical procedure are normally distributed. There are two methods. Method A has a mean of 28 minutes and a standard deviation of 4 minutes, while method B has a mean of 32 minutes and a standard deviation of 2.0 minutes. (a) Which procedure is preferred if the procedure must be completed within 29 minutes? Method AMethod BEither Method (b) Which procedure is preferred if the procedure must be completed within 38.0 minutes? Method AMethod BEither Method (c) Which procedure is preferred if the procedure must be completed within 36 minutes? Method AMethod BEither Method

method A has, Mean μA = 28 minutes standard…

Answered: Times for a surgical procedure are…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Times for a surgical procedure are normally distributed. There are two methods. Method A has a mean of 28 minutes and a standard deviation of 4 minutes, while method B has a mean of 32 minutes and a standard deviation of 2.0 minutes.

(a) Which procedure is preferred if the procedure must be completed within 29 minutes?

Method A
Method B
Either Method

(b) Which procedure is preferred if the procedure must be completed within 38.0 minutes?

Method A
Method B
Either Method

(c) Which procedure is preferred if the procedure must be completed within 36 minutes?

Method A
Method B
Either Method

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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