FUOYE MTH 232 CBT Practice

1. The standardized test statistic for a large sample test of means is

2. Rejecting a true null hypothesis results in

3. In the F-test, the null hypothesis generally assumes

4. From two die rolls, the number of total possible outcomes is

5. A test of population variance often uses

6. Conditional probability P(A∣B) is defined as

7. A one-tailed test is preferred when

8. Tossing a die and tossing a coin are examples of

9. A sample statistic is said to be consistent if it

10. A statistic is considered unbiased if its expected value equals

11. A student has a 0.8 chance of passing on first exam attempt. If failed, 0.5 on second, 0.2 on third. Probability student passes eventually

12. Estimation of a population parameter using a single statistic from a sample is called

13. An increase in sample size generally results in

14. A statistical hypothesis refers to

15. The addition law of probability is applied when

16. Choosing one red and one black rabbit in two draws without replacement from 4 red, 3 white, 5 black rabbits

17. Tossing a coin three times, number of possible outcomes

18. The maximum probability of committing a Type I error is called

19. Without replacement, probability of two white rabbits from a cage of 3 white among 12 rabbits

20. In small sample confidence intervals for the mean, the critical value is obtained from

21. Probability of picking a white rabbit first from a cage with 4 red, 3 white, and 5 black rabbits

22. The probability of drawing a female student from a class of 150 students, with 80 males, is

23. If a woman has 5 children, and 3 are boys, the number of girls is

24. A 95% confidence interval implies the value of the parameter lies within the interval

25. Events that cannot happen together are called

26. Two events are dependent if

27. The probability of any event must lie

28. A two-tailed test is appropriate when the alternative hypothesis is

29. From three coin tosses, probability of getting two or more heads

30. For small sample hypothesis testing, the test statistic used is typically

31. A statistical hypothesis refers to

32. Three items are drawn without replacement from a lot of 12 items with 5 defectives. Probability all are non-defective

33. The standard deviation of a sample used to estimate a population standard deviation is

34. Confidence intervals for the ratio of two population variances are calculated using

35. For a large sample, confidence interval for the population mean is based on

36. The sample space of tossing a fair die is

37. A statistical experiment involves outcomes where the result cannot be predicted in advance. Tossing a coin is an example of

38. In a probability tree, the sum of all final branch probabilities

39. Among estimators with the same mean, the more efficient one is the one with

40. A null hypothesis (H₀) typically assumes