Scores for men on the verbal portion of the SAT I test are normally distributed with a mean of 509 and a standard deviation of 112 a If 1 man is randomly selected find the probability that his score is at least 576 5 b If 12 men are randomly selected find the probability that their mean score is at least 576 5 12 randomly selected men were given a review course before taking the SAT test If their mean score is 576 5 is there a strong evidence to support the claim that the course is actually effective Enter YES or NO