FUOYE STA 112 CBT Practice

1. Poisson probability for x = 3, λ = 1.44 is

2. P(x ≤ 2) in Bi(10, 0.5) equals

3. X ~ Bi(10, 0.5), probability x = 4 is

4. Bernoulli trial is characterized by

5. Standard deviation of a distribution equals

6. For n = 3, x = 2, p = 0.3, binomial probability is

7. A discrete random variable assumes

8. Probability of selecting 3 balls with at least 1 white from 2 white and 3 red is

9. Variance of Bernoulli distribution is

10. Total arrangements of 7 Physics, 6 Biology, 5 Chemistry books together is

11. Tossing three coins gives a sample space of

12. 4! (4 factorial) is equal to

13. Total arrangements of 7 Physics, 6 Biology, 5 Chemistry books together is

14. Permutation differs from combination by focusing on

15. Mean of a probability distribution is given by

16. Number of six-digit numbers from digits 4,4,6,6,6,6 is

17. Assigning 5, 3, and 2 nurses to 3 departments from 10 nurses is

18. Choosing at least 3 of first 4 questions yields

19. Sample space of tossing two coins is

20. Mean of Bernoulli distribution is

21. In a sample of 10 students with 6 successes, probability p is

22. Ways to select 3 from 5 students (combination) is

23. Probability of success in a Bernoulli trial is denoted by

24. X ~ Bi(10, 0.5), P(1 ≤ x ≤ 3) equals

25. Number of ways to choose 3 red balls or more is

26. In Poisson distribution, mean equals

27. Probability of an event A is calculated by

28. Mean of a binomial distribution is

29. For p = 0.6, the variance of Bernoulli is

30. In Poisson, λ = 1.44, P(2 ≤ x ≤ 4) is

31. For n = 3, x = 2, p = 0.3, binomial probability is

32. Probability describes

33. Binomial distribution models

34. Selection of 5 questions from 8 without compulsion gives

35. First 3 questions compulsory from 8 gives

36. Number of ways to seat 3 people in 6 seats is

37. Distinct arrangements of the word “Economics” is

38. Tossing three coins gives a sample space of

39. Variance of binomial is

40. Outcome of a coin toss is considered