25% of American households have only dogs (one or more dogs) 15% of American households have only cats (one or more cats) 10% of American households have dogs and cats (one or more of each) 50% of American households do not have any dogs or cats. A researcher randomly samples 10 American households. Find the probability that exactly 3 have only dogs, 2 has only cats, 1 has cats and dogs, and 4 has neither cats or dogs.
