# ch02test - Chapter 2 Probability True/False Questions 1...

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Chapter 2 Probability True/False Questions 1. Objective probability involves personal judgment or intuition in a given context. Answer: False Type: Concept Difficulty: Easy 2. Those elements that are not in Set A are called the complement of A. Answer: True Type: Concept Difficulty: Easy 3. The set of all basic outcomes of an experiment is called the union of the set. Answer: False Type: Concept Difficulty: Easy 4. In the experiment of tossing a fair die once, the sample space includes six events. Answer: True Type: Concept Difficulty: Easy 5. The probability of event A is defined as the number of ways event A can occur, divided by the number of outcomes possible in the experiment. Answer: True Type: Concept Difficulty: Easy 6. In the experiment consisting of drawing one card at random from a standard deck of 52 cards, the sample space for the event of drawing a seven consists of 2 outcomes. Answer: False Type: Concept Difficulty: Easy 7. The probability of drawing a seven, from a standard deck of 52 cards, is 1/4. Answer: False Type: Computation Difficulty: Easy 8. If event A consists of the event of drawing a red card from a standard deck of 52 cards, then the complement of event A is the event of drawing a black card from this deck. Answer: True Type: Concept Difficulty: Easy 9. The intersection of two sets includes all elements that are part of either set, or both sets. Answer: False Type: Concept Difficulty: Easy 23 Aczel, Complete Business Statistics, Sixth Edition

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Probability 10. The probability of event A, an event that is certain to occur, is one. Answer: True Type: Concept Difficulty: Easy 11. The probability of drawing a card, chosen at random from a standard deck of 52 cards, which is either a diamond or a club is 0.5. Answer: True Type: Computation Difficulty: Medium 12. Two events which are mutually exclusive events, are also complements of each other. Answer: False Type: Concept Difficulty: Medium 13. When two events, A and B, are independent, then the product of their individual probabilities is equal to the probability that both events occur, or P(A) x P(B) = P(A B). Answer: True Type: Concept Difficulty: Medium 14. In order to count the number of ways that a committee of three, including a chair, a secretary, and a treasurer, could be chosen from a group of ten people, a combination would be used. Answer: False Type: Concept Difficulty: Medium 15. The probability of any particular event, or combination of events, can be larger than one in certain specific cases. Answer: False Type: Concept Difficulty: Easy 16. The probability of rolling a 7 on a pair of dice is higher than rolling any other number. Answer: True Type: Computation Difficulty: Medium 17. If the probability of rolling a 2 on a pair of dice is 1/36, the probability of not rolling a 2 is 35/36. Answer: True
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ch02test - Chapter 2 Probability True/False Questions 1...

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