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84% of owned dogs in the United States are spayed or neutered. Round your answers to...

84% of owned dogs in the United States are spayed or neutered. Round your answers to four decimal places. If 33 owned dogs are randomly selected, find the probability that

a. Exactly 26 of them are spayed or neutered.

b. At most 30 of them are spayed or neutered.

c. At least 28 of them are spayed or neutered.

d. Between 26 and 31 (including 26 and 31) of them are spayed or neutered.

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