mpling process is repeated many time sers who use this social media platfor
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Read the following prompt and complete 1.a, 1.b, and 1.c

Transcribed Image Text:1.b
Is the following statement appropriate:
If this sampling process is repeated many times, we would expect 99% of the resulting confidence intervals to contain a population proportion of all
Twitter users who use this social media platform as their primary source of news between 45.8% and 58.2%.
Appropriate
Not Appropriate
1.c
Facebook would like to perform a similar suvery among Facebook users.
If a 90% confidence level is to be used and the desired conservative margin of error is 5%, what is the minimum sample size that would be required?
No answer entered. Click above to enter an answer.

Transcribed Image Text:Question 1 Background :
How do you get your news?
Based on a large random sample of Twitter users, a recent study reported the following:
"With 99% confidence, it has been estimated that somewhere between 45.8% and 58.2% of all Twitter users use this social media platform as their
primary source of news."
Question 1 Subquestions
1.a
Provide an estimate of the population proportion of all Twitter users that use this social media platform as their primary source of news
p =
0.52
p = 0.52
p = 0.458
p =.582
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