Question: 4. Which is true about a 90 % confidence interval for the proportion of voters who intend to vote for the incumbent in an upcoming

4. Which is true about a 90 % confidence interval for the proportion of voters who intend to vote for the incumbent in an upcoming election based on a sample survey ? A We are 90 % confident that the sample proportion is in the interval. B We are 90 % confident that the population proportion is in the interval. C The population proportion is in the interval D/90 % of all confidence intervals will have the same sample proportion

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