In a certain area, 33% of people own a dog. Complete parts a and b below. (I) a. Find the probability that exactly 8 out of 15 randomly selected people in the area own a dog. The probability that exactly 8 out of 15 randomly selected people in the area own a dog is E. (Type an integer or decimal rounded to three decimal places as needed.) b. In a random sample of 15 people from this area, nd the probability that 8 or fewer own a dog. The probability that 8 or fewer out of 15 randomly selected people in the area own a dog is E. (Type an integer or decimal rounded to three decimal places as needed.)