Question: Refer to Exercise. Suppose that a calculus student is randomly selected to accompany the math teachers to a conference. What is the probability that the student is a junior?
Exercise: Suppose that a magnet high school includes grades 11 and 12, with half of the students in each grade. Half of the senior class and 30% of the junior class are taking calculus. Create a hypothetical table of 100 students for this situation. Use grade (junior, senior) as the row variable.