vals (alliple Size) Due Sunday by 11:59pm Points 12 Submitting an external tool Chapter 8 Confidence Intervals (Sample Size) Progress saved Done E Score: 1/12 1/12 answered Question 8 0/1 pt 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? Submit