Mathematics Homework Assignment 9

 

Mathematics Homework Assignment 9
Suppose that there are two (2) candidates (i.e., Jones and Johns) in the upcoming presidential election.
Sara notes that she has discussed the presidential election candidates with 15 friends, and 10 said that
they are voting for candidate Jones. Sara is therefore convinced that candidate Jones wili win the election
because Jones gets more than 50% of votes.
Answer the following questions in the space provided below:
1. Based on what you now know about statistical inference, is Sara’s conclusion a logical
conclusion? Why or why not?
2. How many friend samples Sara should have in order to draw the conclusion with 95% confidence
interval? Why?
3. How would you explain your conclusion to Sara without using any statistical jargon? Why?

 

 

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