College bound: A national college researcher reported that 66% of students who graduated from high school in 2012 enrolled in college. Twenty seven high school graduates are sampled. Part 1 of 2 (a) What is the mean number who enroll in college in a sample of 27 high school graduates? Round the answer to two decimal places. The mean number who enroll in college in a sample of 27 high school graduates is. X 5 Part 2 of 2 (b) What is the standard deviation of the number who enroll in college in a sample of 27 high school graduates? Round the answer to four decimal places. The standard deviation of the number who enroll in college in a sample of 27 high school graduates is X