Math221 Wks Quiz

1. (TCO 4) How many ways can 15 girls be choose to form a baseball team of 9 players? (Points : 3) 5005 24 1,816,214,400 135 2. (TCO 4) Which of the succeeding(a) cannot be a probability? (Points : 3) 1 85% 0.425 4/3 3. (TCO 4) itemization the sample space of axial rotation a 6 sided die. (Points : 3) {1, 3, 5} {1, 2, 4, 6} {1, 2, 3, 4, 5, 6} {2, 3, 4, 5, 6} 4. (TCO 4) What is the probability of choosing a spirit card (jack, queen, or might) on the second draw if the prototypic draw was a king (without replacement)? (Points : 3) 0.231 0.784 0.216 0.769 5. (TCO 4) A nursing mannikin has 13 women and 18 men. If a student is chosen haphazard to be the team leader, what is the probability the student is a cleaning lady? (Points : 3) 0.419 0.581 0.333 0.667 6. (TCO 4) Compute the chase: 3! ÷ (0! * 3!) (Points : 3) 6 1 12 0 7. (TCO 5) Decide whether the try out is a binomial, Poisson, or incomplete based on the education given. Each week a man plays a peppy in which he has a 21% chance of winning. The haphazard variable is the number of clock he wins in 64 weeks.

(Points : 3) binomial Poisson neither 8. (TCO 5) given up a Poisson distribution with mean = 2. Find P(X < 5). (Points : 3) 0.036 0.947 0.983 0.017 9. (TCO 5) Giv! en the random variable X = {5, 6} with P(5) = 0.2 and P(6) = 0.8. Find E(X). (Points : 3) 5.8 1.8 4.8 6.2 10. (TCO 5) If X = {10, 20, 30, 40} and P(10) = 0.30, P(20) = 0.30, P(30) = 0.30, and P(40) = 0.30, can distribution of the random variable X be considered a probability distribution? (Points : 3) yes no 11. (TCO 5) If X = {1, 2, 3, 4, 5, 6} and P(1) = 0.3, P(2) = 0.2, P(3) = 0.1, P(4) = 0.1, P(5) = 0.1, and P(6) = 0.3,...If you want to get a full essay, order it on our website: BestEssayCheap.com

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