PLEASEEEEEE
Students at a virtual school are allowed to register for one math class each year. The number of students signing up for various math classes for the next year are given in the following table.
Geometry Algebra II Probability and Statistics Pre-Calculus Total
10th Grade 150 75 25 5 255
11th Grade 50 100 75 20 245
12th Grade 10 50 100 65 225
Total 210 225 200 90 725
Part A: What is the P(student takes Probability and Statistics)? (5 points)
Part B: What is the P(11th Grade ∪ Algebra II)? (5 points)
Part C: What is the P(Geometry|12th Grade)? (5 points)
Part D: Consider the events "A student takes Geometry" and "A student is a 10th grader." Are these events independent? Justify your answer mathematically. (5 points)