oluwaseun onaolapo& 3/17/18 10:38 PM MATH 331.W01 SPRING2018 (1) Homework: Hw #

Question

oluwaseun onaolapo& 3/17/18 10:38 PM MATH 331.W01 SPRING2018 (1) Homework: Hw # 3 Score: 0 of 1 pt Save 7 of 22 (16 complete) HW Score: 62.12%, 13.67 of 22 pts 5.5.49 Question Help The probability that a person living in a certain city owns a dog is estimated to be 04. Find the probability that the twelfth person randomly interviewed in that city is the eighth one to own a dog The probability that twelfth person randomly interviewed in that city is the eighth one to own a dog is (Round to four decimal places as needed.) Enter your answer in the answer box and then click Check Answer. All parts showing Clear All Check Answer

Explanation / Answer

P(12th person is the 8th one to own a dog) = P(first 11 person has 7 dog) * P(12th person will have a dog)

= (11C7 * 0.47 * 0.64) * (0.4)

= 0.07 * 0.4

= 0.028

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