Question

In a region, there is a 0.8 probability chance that a randomly selected person of the population has brown eyes. Assume 11 people are randomly selected. Complete parts (a) through (d) below. a. Find the probability that all of the selected people have brown eyes. The probability that all of the 11 selected people have brown eyes is (Round to three decimal places as needed.) b. Find the probability that exactly 10 of the selected people have brown eyes. The probability that exactly 10 of the selected people have brown eyes is (Round to three decimal places as needed.) c. Find the probability that the number of selected people that have brown eyes is 9 or more. The probability that the number of selected people that have brown eyes is 9 or more is (Round to three decimal places as needed.) d. If 11 people are randomly selected, is it unusual for 9 or more to have brown eyes? O A. Yes, because the probability that 9 or more of the selected people have brown eyes O B. No, because the probability that 9 or more of the selected people have brown eyes is less than 0.05 O C. No, because the probability that 9 O D. Yes, because the probability that 9 or more of the selected people have brown eyes is greater than 0.05. less than 0.05 more of the selected people have brown eyes is greater than 0.05 Click to select your answer(s) ?

Answer 1

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