Question: The following table gives the number of U.S. families, in thousands, with pet dogs, pet cats, and pet birds, by size of family.

(a) Among one-member families with pets, what proportion have pet cats?

(b) Among families with pet cats, what proportion of them are families of size one?

(c) Given that a pet-owner family has four or more members, find the proportion with a pet bird.

(d) Given that a family has a pet bird, find the probability that the family has four or more members.

(e) If a family with one of these pets is chosen at random, find the probability that the family has two members and a dog.

(f) If a family with one of these pets is chosen at random, find the probability that the family has two members or it has a dog.