In a survey funded by the University of Washington School of Medicine, 72 of 1,200 adult Seattle residents said they did not believe they could come down with a sexually transmitted infection (STI). Construct a 95% 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 n≤5% of all residents in Seattle? Yes No Verify nˆp(1−ˆp)≥10. Round your answer to one decimal place.  nˆp(1−ˆp)=  Confidence Interval: What is the 95% confidence interval to estimate the population proportion? Round your answer to three decimal places.

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In a survey funded by the University of Washington School of Medicine, 72 of 1,200 adult Seattle residents said they did not believe they could come down with a sexually transmitted infection (STI). Construct a 95% 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:

  1. Is it safe to assume that n≤5% of all residents in Seattle?
    • Yes
    • No


  2. Verify nˆp(1−ˆp)≥10. Round your answer to one decimal place. 
    nˆp(1−ˆp)= 


Confidence Interval: What is the 95% confidence interval to estimate the population proportion? Round your answer to three decimal places.

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