Ch06_Sect04-05_Keller MS_AISE TB

Ch06_Sect04-05_Keller MS_AISE TB - CHAPTER 6 SECTION 4-5...

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CHAPTER 6 SECTION 4-5: PROBABILITY MULTIPLE CHOICE 188. A posterior probability value is a prior probability value that has been: a. modified on the basis of new information. b. multiplied by a conditional probability value. c. divided by a conditional probability value. d. added to a conditional probability value. ANS: A PTS: 1 REF: SECTION 6.4-6.5 189. Which of the following statements is false? a. Thomas Bayes first employed the calculation of conditional probability in the eighteenth century. b. There is no formula defining Bayes' Law. c. We use a probability tree to conduct all necessary calculations for Bayes' Law. d. None of these choices. ANS: B PTS: 1 REF: SECTION 6.4-6.5 190. Which of the following statements is false regarding a scenario using Bayes' Law? a. Prior probabilities are called likelihood probabilities. b. Conditional probabilities are called posterior probabilities. c. Posterior probabilities are calculated by using prior probabilities that have been modified based on new information. d. None of these choices. ANS: A PTS: 1 REF: SECTION 6.4-6.5 191. Bayes' Law is used to compute: a. prior probabilities. b. joint probabilities. c. union probabilities. d. posterior probabilities. ANS: D PTS: 1 REF: SECTION 6.4-6.5 192. Initial estimates of the probabilities of events are known as: a. joint probabilities b. posterior probabilities c. prior probabilities d. conditional probabilities ANS: C PTS: 1 REF: SECTION 6.4-6.5 TRUE/FALSE 193. Bayes' Law allows us to compute conditional probabilities from other forms of probability. ANS: T PTS: 1 REF: SECTION 6.4-6.5 This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition. This may not be resold, copied, or distributed without the prior consent of the publisher.
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194. Although there is a formula defining Bayes' law, you can also use a probability tree to conduct calculations. ANS: T PTS: 1 REF: SECTION 6.4-6.5 195. Conditional probabilities are also called likelihood probabilities. ANS: T PTS: 1 REF: SECTION 6.4-6.5 196. In applying Bayes' Law, as the prior probabilities increase, the posterior probabilities decrease. ANS: F PTS: 1 REF: SECTION 6.4-6.5 197. Bayes' Law is a formula for revising an initial subjective (prior) probability value on the basis of new results, thus obtaining a new (posterior) probability value. ANS: T PTS: 1 REF: SECTION 6.4-6.5 198. Prior probability of an event is the probability of the event before any information affecting it is given. ANS: T PTS: 1 REF: SECTION 6.4-6.5 199. Prior probability is also called likelihood probability. ANS: F PTS: 1 REF: SECTION 6.4-6.5 200. Posterior probability of an event is the revised probability of the event after new information is available.
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This note was uploaded on 04/08/2012 for the course ADMS 2320 taught by Professor Rochon during the Spring '08 term at York University.

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Ch06_Sect04-05_Keller MS_AISE TB - CHAPTER 6 SECTION 4-5...

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