Unit 3 Chapter 8: Lesson 8.3 Assignment Score: 0/4 0/4 answered . Question 1 v If n = 280 and :3 = 0.6, construct a 90% confidence interval about the population proportion. Round your answers to three decimal places. Preliminary: a. Is it safe to assume that n S 0.05 of all subjects in the population? " No Yes b. Verify n33(1 16) Z 10. 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. EMS Question Help: 8 Message instructor Submit