The Statistical Abstract of the United States reported that 66% of students who graduated from high school in 2012 enrolled in college. Let X be the number of high school students that enrolled in college. Formulas needed: E (X') = n. a: p and Vor(X] =n=l=p=k (13)) a} If exactly' 18 high school students are chosen at random, the expected number of high school students that are enrolled in college is . Round your answer to the next whole number. b) If exactly 18 high school students are chosen at random, the std(){}, standard deviation of the number of them that are enrolled in college is . Round your answer to the nearest whole number