MENSA is an organization whose members possess IQs in the top 2% of the population. If 10s are normally distributed, with mean 100 and a standard deviation of 15, find the Score that is the minimum IQ required for admission to MENSA? 5. Most graduate schools of business require applicants for admission to take the Graduate Management Admission Council's GMAT examination. Scores on the GMAT are roughly normally distributed with a mean of 527 and a standard deviation of 112. a. What is the probability of an individual scoring above 500 on the GMAT? b. How high must an individual score on the GMAT in order to score in the top 5%? 6. The length of human pregnancies from conception to birth approximates a normal distribution with a mean of 266 days and a standard deviation of 16 days a. What percent of all pregnancies will last between 240 and 270 days? b. What length of time marks the shortest 70% of all pregnancies