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Social Media Use Data: A survey was conducted and 100 people were asked if they use various social media sites. The following 3.) If a
Social Media Use Data: A survey was conducted and 100 people were asked if they use various social media sites. The following 3.) If a randomly selected person uses TikTok, what is the probability they are 30 or older? tables display the results. Fill out the missing boxes in to the 'total' column and row by adding the entries in that row or column. Age 18-29 Age 30-49 Age 50-64 Age 65+ Tota Instagram 27 21 9 3 4.) A random person is selected who is over 65, what is the probability they use Instagram? No Instagram 10 18 Total Age 18-29 Age 30-49 Age 50-64 Age 65+ 5.) What is the probability a random person is between the ages of 30-64 if you know they do not use Total Facebook? Facebook 15 28 26 6 No Facebook 19 2 Total Analysis: Age 18-29 Age 30-49 Age 50-64 Age 65+ Total 1.) Which age group is more likely to use Facebook, 30-49 or 50-64? Justify your answer using TikTok 25 13 probabilities. No TikTok 9 18 22 Total General Probability: (Based on the entire population of those surveyed) 1.) What is the probability a randomly selected person is between the ages of 30-49? 2.) Is a person more likely to use Instagram or TikTok if they are between the ages of 18-29? Justify your answer using probabilities. 2.) What is the probability a randomly selected person uses Facebook? 3.) What is the probability a randomly selected person is younger than 65? 3.) Which of the following are more likely, a person 18-29 to use Instagram or a person 65+ to use 4.) What is the probability a randomly selected person is between the ages of 18-29 and does not use Facebook? Justify your answer using probabilities. Instagram? 5.) What is the probability a randomly selected person is over 30 and uses TikTok? 4.) Which social media platform is someone between 30-49 least likely to use? Justify your answer using Conditional Probability: (Based on the number of those in the group given) probabilities. 1.) What is the probability a randomly selected person uses Instagram given that they are between th ages of 50-64? 2.) What is the probability a randomly selected person does not use Facebook if you know they are younger than 65
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