Answered: 4 - It will be tested whether the…

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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24 -

It will be tested whether the average endurance time of brand A batteries is more than 60 hours. For this purpose, a sample of 100 units was observed and it was calculated that the sample mean was 65 hours and the standard deviation was 10 hours. For 99% confidence level in testing the durability of A brand batteries; What is the null hypothesis in this test?

a)	H0 : μ ≠ 60

B)	H0 : μ < 60

NS)

None

D)	H0 : μ = 60

TO)	H0 : μ > 60

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A null hypothesis is a type of hypothesis used in statistic that proposes that there is no difference between certain characteristics of a population.

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