Answered: A research scientist reports that mice…

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

A research scientist reports that mice will live an average of 35 months when their diets are
sharply restricted and then enriched with vitamins and proteins. Assuming that the lifetimes of
such mice are normally distributed with a standard deviation of 4.2 month
a. Find the probability that a given mouse will live less than
30 months.
b. Find the probability that a given mouse will live between
33 and 46 months

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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