4. The inventor of a new kind of light bulb claims that all such bours
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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Formulate a null hypothesis and its alternative hypothesis for each of the following. Write them in words and in symbols.

Transcribed Image Text:3. The mean performance of all grade six leavers of a school in the NAT is 35.
4. The inventor of a new kind of light bulb claims that all such bulbs last as long as 3000
hours.
5. The average age of all the identified stratum of senior citizens in a remote area is 92
years.
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