In a survey funded by the University of Washington School of Medicine, 1,580 of 2,000 adult Seattle residents said they did not believe they could come down with a sexually transmitted infection (STI). Construct a 99% confidence interval estimating the proportion of adult Seattle residents that do not believe they can contract an STI. Round the answers to three decimal places. Preliminary: a. Is it safe to assume that n < 5 % of all residents in Seattle? O Yes O No b. Verify np(1-p) 2 10. Round your answer to one decimal place. np(1 - p) = Confidence Interval: What is the 99% confidence interval to estimate the population proportion? Round your answer to three decimal places.

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