There are ten cats and eleven dogs in a pet shop. Nine pets are chosen at random to visit a children’s hospital. a) Determine the probability that exactly three of the pets will be dogs. b)Determine...

1. There are ten cats and eleven dogs in a pet shop.  Nine pets are chosen at random to visit a children’s hospital.

a)Determine the probability that exactly three of the pets will be dogs.

b)Determine the probability that less than 2 of the pets will be dogs.

c)Determine the probability that at least 2 of the pets will be dogs.

d)Determine the expected number of dogs chosen.