Referring again to Example D in Section 7.3.3, suppose that a survey is done of another...

Referring again to Example D in Section 7.3.3, suppose that a survey is done of another condominium project of 12,000 units. The sample size is 200, and the proportion planning to sell in this sample is .18.

a. What is the standard error of this estimate? Give a 90% confidence interval.

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