Answered: The postsurgery survival time of a…

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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Question

The postsurgery survival time of a breast cancer patient is normally distributed with
a mean of eight years and a standard deviation of 1.5 years. Find the probabilities
that a woman with breast cancer will survive after her surgery: (a) between five and
seven years, (b) more than 11 years, (c) less than six years.

NOTE: Please explain each part, so the problem can be used as a Study Guide

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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