Question

Theresa is running for class President she wants to do a survey to see what her...

Theresa is running for class President she wants to do a survey to see what her likelihood of winning is. Theresa anonymously asks 100 classmates if they plan to vote for her and 62 people say yes. Determine a 95% confidence interval for the true proportion of Theresa’s classmates that will likely vote for her.

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Answer #1

given out of 100 classmate 62 student say yes.

Therefore the estimate of sample proportion is

The 95% confidence interval for the true proportion of Theresa’s classmates that will likely vote for her is given by

The 95% confidence interval for the true proportion of Theresa’s classmates that will likely vote for her is (0.53,0.72)

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