Chapter 8 Confidence Intervals (Sample Size) Progress saved Done Score: 1/12 1/12 answered Question 10 0/1 pt You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately 80%. You would like to be 9% confident that your estimate is within 1% of the true population proportion. How large of a sample size is required? Hint: Video ' [+] n= Submit