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STAT 100 (65)
Chapter 18

Chapter 18 STATS.docx

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Department
Statistics
Course
STAT 100
Professor
Derek Bingham
Semester
Winter

Description
Chapter 18 Probability ModelsProbability Modelsat random we give every such subject the same chance to be the one we choosePnot marriedPnever marriedPwidowedPdivorced Pnot marriedthe probability that the woman we choose is not married A probability model for a random phenomenon describes all the possible outcomes and says how to assign probabilities to any collection of outcomes eventsProbability RulesA Any probability is a number between 0 and 1B All possible outcomes together must have probability 1 C The probability that an event does not occur is 1 minus the probability that the event does occurD If two events have no outcomes in common the probability that one or the other occurs is the sum of their individual probabilities Any assignment of probabilities to all individual outcomes that satisfies Rules A and B is legitimate Rules C and D are then automatically tr
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