le Sunday by 11.5/pm Points 12 Submitting an external tool Chapter 8 Confidence Intervals (Sample Size) Score: 4/12 6/12 answered Question 9 Suppose we want to estimate the proportion of teenagers (aged 13-18) who are lactose intolerant. If we want to estimate this proportion to within 5% at the 95% confidence level, how many randomly selected teenagers must we survey? Question Help: Message instructor Submit