Below are the results of 1,354 a survey of  self-identifying females and males who were asked if they use social media to voice their opinions about television programs.     Uses Social Media to Voice Doesn’t Use Social Media   Opinions About Television to Voice Opinions About   Programs Television Programs Female 394 285 Male 318 357   a. Show a joint probability table (to  decimals).     Uses Social Media to Voice Doesn’t Use Social Media     Opinions About Television to Voice Opinions About     Programs Television Programs Total  Female       Male       Total          b. What is the probability a respondent is female (to 4 decimals)?   c. What is the conditional probability a respondent uses social media to voice opinions about television programs given the respondent is female (to 4 decimals)?   d. Let  F denote the event that the respondent is female and  A denote the event that the respondent uses social media to voice opinions about television programs. Are events  F and A independent? Since, P (A l F) Select your answer =  or not = , the events p (A) Select your answer are or are not independent.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter6: Ratio, Proportion, And Probability
Section6.7: Probability And Odds
Problem 2C
Question

Below are the results of 1,354 a survey of  self-identifying females and males who were asked if they use social media to voice their opinions about television programs.

 

  Uses Social Media to Voice Doesn’t Use Social Media
  Opinions About Television to Voice Opinions About
  Programs Television Programs
Female 394 285
Male 318 357

 

a. Show a joint probability table (to  decimals).

 

  Uses Social Media to Voice Doesn’t Use Social Media  
  Opinions About Television to Voice Opinions About  
  Programs Television Programs Total 
Female      
Male      
Total       

 

b. What is the probability a respondent is female (to 4 decimals)?

 

c. What is the conditional probability a respondent uses social media to voice opinions about television programs given the respondent is female (to 4 decimals)?

 

d. Let  F denote the event that the respondent is female and  A denote the event that the respondent uses social media to voice opinions about television programs. Are events  F and A independent?

Since,
P (A l F) Select your answer =  or not =
, the events
p (A) Select your answer are or are not
independent.
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