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CHAPTER 4

# CHAPTER 4 - C HAPTER 4 BASIC PROBAB I L I TY 1 If two...

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CHAPTER 4: BASIC PROBABILITY 1. If two events are collectively exhaustive, what is the probability that one or the other occurs? a) 0 b) 0.50 c) 1.00 d) Cannot be determined from the information given. ANSWER: c TYPE: MC DIFFICULTY: Easy KEYWORDS: collectively exhaustive 2. If two events are collectively exhaustive, what is the probability that both occur at the same time? 3. If two events are mutually exclusive, what is the probability that one or the other occurs?

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4. If two events are mutually exclusive, what is the probability that both occur at the same time? 5. If two events are mutually exclusive and collectively exhaustive, what is the probability that both occur? a) 0 b) 0.50 c) 1.00 d) Cannot be determined from the information given. ANSWER: a TYPE: MC DIFFICULTY: Easy KEYWORDS: collective exhaustive, mutually exclusive 6. If two events are mutually exclusive and collectively exhaustive, what is the probability that one or the other occurs? a) Cannot be determined from the information given. 7. If events A and B are mutually exclusive and collectively exhaustive, what is the probability that event A occurs?
a) Cannot be determined from the information given. 8. If two equally likely events A and B are mutually exclusive and collectively exhaustive, what is the probability that event A occurs? a) Cannot be determined from the information given. 9. If two equally likely events A and B are mutually exclusive, what is the probability that event A occurs? a) 0 b) 0.50 c) 1.00 a) Cannot be determined from the information given. ANSWER: d TYPE: MC DIFFICULTY: moderate KEYWORDS: collectively exhaustive, mutually exclusive EXPLANATION: We do not know if they are collectively exhaustive.

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