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Stats chpt 12 practice questions
Introduction to Statistics (STAT 201 )
The University of Tennessee
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export_stats chtp 12 What word is associated with the multiplication rule?</li> AND</li> What word is associated with the addition rule? OR What condition must be met to use the multiplication rule?</li> The two events must independent.</li> What condition must be met to use the addition rule? The two events must disjoint. The long-run relative frequency of repeated independent events gets closer and closer to a single value. Define the law of large numbers. Events will occur if they haven't in a long time so they average out. This is a fallacy (wrong) and should not be used to calculate probabilities. Define the law of averages. When we express a degree of uncertainty without basing it on long-run relative frequencies or mathematical calculations we call this __________________ or _________________ Subjective or personal probabilities. The first rule for probability. A probability is a number between 0 and 1. The second rule for probability. The sum of the set of all probabilities equals 1. P(S) = 1 The set of outcomes that are not in the event A is called the complement of A. An event plus it's complement is equal to one. The complement rule for probability. For two independent events A and B, the probability that both A and B occur is the product of the probabilities of the two events. The multiplication rule for probability. For two disjoint events A and B, the probability that one or the other occurs is the sum of the probabilities of the two events. The addition rule for probability. 1
Stats chpt 12 practice questions
Course: Introduction to Statistics (STAT 201 )
University: The University of Tennessee
