s at Students at a virtual school are allowed to sign up for one math class each year. The numbers of students signing up for various math classes for the next school year are given in the following table: Grade Geometry Algebra Il Pre-Calculus AP Statistics Total 10th 150 75 25 255 11th 50 100 75 20 245 12th 10 50 100 65 225 Total 210 225 200 90 725 Part A: What is the probability that a student wil take AP Statistics? (2 points) Part B: What is the probabilily that a 12th-grader will take either Pre-Caloulus or AP Statistics? (2 pointa) Part C: What is the probability that a student will take Algebra Il given that he or she is in the 11th grade? (2 points) Part D: Consider the events "A student takes Algebra Il' and "A student is a 10th-grader." Are these events independent? Justify your answer. (4 points)