In a recent year, scores on a standardized test for H.S. students with 3.50 to 4.00 grade point average were normally distributed. with the mean of 37.7 and standard deviation of 2.1. A student with a 3.50 to 4.00 grade point average who took the standard test is randomly selected. Find the probability that the student's score is less than 35. Find the probability that the student 's test score is more than 39.8. Find the probability that the student's test score is between 33.5 and 41.9.