Time Limit: 00:30:00 Submit Quiz Quiz: Q5-2 This Quiz: 3 pts possible This Quest

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Time Limit: 00:30:00 Submit Quiz Quiz: Q5-2 This Quiz: 3 pts possible This Question: 1 p Question Help Assume that 12 jurors are selected from a population in which 50% of the people are Mexican-Americans. The random variable x is the number of Mexican Americans on the jury 01.1 12 13 415161 718191101 11 12 a. Find the probability of exactly 3 Mexican-Americans among 12 jurors b. Find the probability of 3 or fewer Mexican-Americans among 12 jurors The probabity of 3 or fewer Mexican-Americans among 12 jurors is [] ty is relevant for determining whether 3 jurors among 12 is unusually low the result from part (a) or part (b)? O A. The result from part (o), because it measures the probability of exactly 3 successes O B. The result from part (b), because it measures the probability of 3 or fewer successes d. Is 3 an unusually low number of Mexican-Americans among 12 jurors? Why or why not? o A. B. O C. D. Yes, because the relevant probability is less than or equal to 0 05 No, because the relevant probability is greater than 0 05 Yes, because the relevant probability is greater than 0 05 No, because the relevant probability is less than or equal to 0 05 Click to select your answer(s) Type here to search

Explanation / Answer

a) P(3) = 0.054

b) P(3) = P(0) + P(1) + P(2) + P(3) = 0.003 + 0.016 + 0.054 = 0.073

c) Option A

d) Option B as 0.054 > 0.05

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