Question: 3. Confidence Interval When surveying 500 people, we get 200 yes responses to a particular question, so the proportion of yes responses from the whole

3. Confidence Interval When surveying 500 people, we get 200 yes responses to a particular question, so the proportion of yes responses from the whole population is estimated to be 0.4. Given that we have the estimated value of 0.4, why would we need a confidence interval? That is, what additional information does the confidence interval provide?

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