2) Score on Test 3 for statistics score are normally distributed with mean 70 and standard deviation 1.5. [5+5+5+5+5 =25 Points] a) What is the probability that a student selected at random has a score below 72 on this test? b) What is the probability that a student selected at random has score above 60 on this test? c) What is the probability that a student selected at random has a score between 55 and 67 on this test? d) What scores separates the highest 10% of the observations of the distributions? e) Find 'a' such that P(x > a) = 0.7