Where are the external local Questions 13-17. Mensa is an organization open to people who score at the 98% percentile or higher on approved standardized intelligence tests. Assume that the scores for a certain approved intelligence test are Normally distributed with mean @ = 175 and standard deviation o = 25. 1-What score is required on this exam to be eligible for Mensa membership? (Numerical Response) 2-Dr. Z decides to take a shot at Mensa membership. Assume his test score is 1.75 standard deviations above the mean. Has Dr. Z scored high enough for Mensa cligibility? Justify your answer. (Open Response) 3-. (5 points) Suppose the distribution of test scores among students in this Bigstat 521 class is Normally distributed with mean @ = 195 and standard deviation