In a survey funded by the University of Washington School of Medicine, 414 of 1,800 adult Seattle residents said they did not believe they could come down with a sexually transmitted infection (STI). Construct a 90% 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:

Is it safe to assume that of all residents in Seattle?

Yes

No





Verify

Round your answer to one decimal place.





Confidence Interval: What is the 90% confidence interval to estimate the population proportion? Round your answer to three decimal places.