300 students in a high school freshman class are surveyed about what kinds of pets they have. Of the 300 students, 200 have a do
g, 180 have a cat, and 150 have a cat and a dog. Using this information, answer each of the following questions. Let D be the event that a randomly selected student has a dog and C be the event that a randomly selected student has a cat.
What is P(D and C), the probability that a student in the class has a dog and a cat?
