8.26 Exit poll with smaller sample In the previous exercise, suppose the same proportions resulted from n

Question:

8.26 Exit poll with smaller sample In the previous exercise, suppose the same proportions resulted from n = 140

( instead of 1400), with counts 66 and 74.

a. Now does a 95% confidence interval allow you to predict the winner? Explain.

b. Explain why the same proportions but with smaller samples provide less information. (Hint: What effect does n have on the standard error?)

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