Answered: Every year my place of work has a huge…

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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Every year my place of work has a huge holiday party. Every year there is a survey sent out to see how many people want to attend the party so that there is a big enough venue booked. I wanted to know if the number of people wanting to attend the annual holiday party changed this year because of COVID. In 2019, of the 406 people surveyed, 310 said that they wanted to attend. In 2020, of the 406 people surveyed, 156 said that they wanted to attend.

Conduct a test at the a=0.05 level of significance.

H0: p1=p2

H1: p1≠p2

Expert Solution

Step 1

The sample proportions are,

Step 2

The pooled proportion or weighted estimate of p is,

The value of test statistic is,

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