85% of owned dogs in the United States are spayed or neutered. Round your answers to four decimal places. If 50 owned dogs are randomly selected, find the probability that a. Exactly 42 of them are...

85% of owned dogs in the United States are spayed or neutered. Round your answers to four decimal places. If 50 owned dogs are randomly selected, find the probability that


a. Exactly 42 of them are spayed or neutered.
b. At most 45 of them are spayed or neutered.
c. At least 40 of them are spayed or neutered.
d. Between 42 and 48 (including 42 and 48) of them are spayed or neutered.