From the following list of hypothetical situations, identify those that are independent events using the given probabilities of each event and the formal definition of independence. A. In a yearly highway study, 40% of the drivers were speeding, 10% of the drivers got into an accident, and 5% of the drivers were speeding and got into an accident.
B. In a yearly study of an animal shelter, 54% of the animals were adopted, 52% of the animals were dogs, and 33% of the animals were adopted and were dogs.
C. In a yearly weather survey of a city, 32% of the days had precipitation, 25% of the days were weekend days, and 8% of the days had precipitation and were weekend days.
D. In a college course survey, 20% of students received an A in chemistry, 25% of students received an A in biology, and 5% of students received an A in both chemistry and biology.