Question

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Forty-three percent of Americans use social media and other websites to voice their opinions about television programs (the Huffington Post, November 23, 2011). Below are the results of a survey of 1364 individuals who were asked if they use social media and other websites to voice their opinions about Television programs

	Uses Social Media and Other Websites to Voice Opinions About Television Programs	Doesn’t Use Social Media and Other Websites to Voice Opinions About Television Programs
Female	395	291
Male	323	355

1. Show a joint probability table.     
2. What is the probability a respondent is female?          
3. What is the conditional probability a respondent uses social media and other websites to voice opinions about television programs given the respondent is female?         
4. Let F denote the event that the respondent is female and A denote the event that the respondent uses social media and other websites to voice opinions about television programs. Are events F and A independent?  

Answer 1