Question

Ti 10. Placuice Lidl 2 (FW 4 thu nwb) This Question: 1 pt 11 of 13 (8 complete) X Assume that 12 jurors are selected from a population in which 50% of the people are Meccan Americans. The random variable x is the number of Mexican Americans on the jury 0 1 2 3 4 5 6 78 9 10 11 12 P(x) 0.000 0.003 0.0160 054 0 1210 1930 2260 1930.1210.0540.0160.003 0.000 2. Find the probability of exactly 4 Mexican Americans among 12 jurors. P4)- b. Find the probability of 4 or fewer Mexican Americans among 12 jutors. The probability of 4 or fewer Mexican Americans among 12 jurors is I c. Which probability is relevant for determining whether 4 jurors among 12 is unusually low the result from part(s) or part (b)? O A. The result from part (b), because it measures the probability of 4 or fewer successes OB. The result from part(a), because it measures the probability of exactly 4 successes d. Is 4 an unusually low number of Mexican Americans among 12 jurors? Why or why not? OA. No, because the relevant probability is less than or equal to 0.05. O B. Yes, because the relevant probability is greater than 0.06 Click to select your answer(s).

Answer 1

solution :- a) P(x: 4) = P (4)= 0.121 EF b) P(x<4) P(0) + P() + P (2) + P/3) + P(4) - 0.000 to.003 +0.016 +0.054 +0.12) 0.194 c) B The result from (a) because it measure probability of exactly ility of exactly a successes. d) No No because relevant probability is greater than 0.05 2. EF