A TV newscaster reports the results of a poll of voters, and then says, The marg

Question

A TV newscaster reports the results of a poll of voters, and then says, The margin of error is plus or minus 3%. Explain carefully what that means. Choose the correct answer below. A. The proportion of the population who voted for one candidate s 3% less than the percent of the population who voted for the other candidate. B. It means that 3% of the polls are invalid. C. The true proportion is within 3% of her estimate, with some degree of confidence. D. The sample proportion is within 3% of her estimate, with some degree of confidence.

Explanation / Answer

Sol) Answer C is correct

The margin error is plus or minus 3% This tells that the True proportion is within 3% of her estimate, with some degree of confidence.

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