Answered: Solve the problem 27.) If the life, in…

Name: Solve the problem 27.) If the life, in months, of a certain type of ca
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Description: Solve the problem 27.) If the life, in months, of a certain type of car battery is normally distributed with a mean of 79 months and a standard deviation of 6 months, what should be the guarantee period if the company wants less than 5% of the batter

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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27.) If the life, in months, of a certain type of car battery is normally distributed with a mean of 79 months and a standard deviation of 6 months, what should be the guarantee period if the company wants less than 5% of the batteries to fail while under warranty

A) Less than 63.52 months B) Less than 21.73 months. C) Less than 69.1 months. D) Less than 88.9 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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