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In a statistic class, 10 scores were ra


21. In a statistic class, 10 scores were randomly selected with the following results were obtained: 74, 73, 77, 77, 71, 68, 65, 77, 67, 66 What is the 10th percentile? A. 65.9 B. 67.3 C. 65.50 D. 73.85 E. 77.0 6

22. A(n) ____________ is the probability that one event will occur given that we know that another event already has occurred. A. Sample space outcome B. Subjective Probability C. Complement of events D. Long-run relative frequency E. Conditional probability

23. Two mutually exclusive events having positive probabilities are ______________ dependent. A. Always B. Sometimes C. Never

24. The _______ of two events X and Y is another event that consists of the sample space outcomes belonging to either event X or event Y or both event X and Y. A. Complement B. Union C. Intersection D. Conditional probability

25. In which of the following are the two events A and B, always independent? A. A and B are mutually exclusive. B. The probability of event A is not influenced by the probability of event B. C. The intersection of A and B is zero. D. P(A|B) = P(A). E. B and D.

26. If two events are independent, we can _____ their probabilities to determine the intersection probability. A. Divide B. Add C. Multiply D. Subtract

27. If events A and B are independent, then the probability of simultaneous occurrence of event A and event B can be found with: A. P(A)P(B) B. P(A)P(A|B) C. P(B)P(A|B)) D. All of the above are correct

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General Question / General Academic Questions
06 Mar 2018
Due Date: 06 Mar 2018

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