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A survey of 600 randomly selected people reveals that 384 of them think that the President of the United States is doing a good job regarding domestic issues.

a. What is the point estimate and what does this mean?

b. What is the 95% confidence interval to estimate the true proportion of people who think the president is doing a good job?

c. Interpret the interval you developed above.

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Solution Summary

The expert examines the point estimate and what it means. The 95% confidence intervals are given. Complete, neat and step-by-step solutions are provided.

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(a) The point estimate is the proportion of all the people who think the President is doing a good job on domestic issues.

It is p = ...

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