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What is the overall proportion ( p^)of people who used social media to check on an ex?   Round to 4 places after the decimal.

What is the overall proportion ( p^)of people who used social media to check on an ex?   Round to 4 places after the decimal.

MATLAB: An Introduction with Applications
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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A survey was conducted to investigate trends of romantic relationships and online behaviors.

Out of 250 adults in their 20s (20 to 29), 180 reported using social media to check on an ex (someone they used to date / be in a romantic relationship with).

Out of 260 adults in their 40s (40 to 49), 156 reported using social media to check on an ex.

You will perform a hypothesis test to see if the data provide evidence that there is a difference between the age groups in the proportions of people who checked on an ex.

What is the overall proportion ( p^)of people who used social media to check on an ex?

 

Round to 4 places after the decimal.

 

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