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Section 4 Week in Review 2011[1]

# Section 4 Week in Review 2011[1] - AEM 2100 Spring...

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P(N F C ) = (.75)(.90) = .675 P(F C /N)=.90 .9+.1=1 P(N)=.75 P(F/N)=.10 P(N F) = (.75)(.10) = .075 .75+.25 =1 = 1 P(F C /N C )=.70 P(N C )=.25 Complements P(N C F C ) = (.25)(.70) = .175 .7+.3=1 P(F/N C )=.30 N C F) = (.25)(.30) = .075 AEM 2100, Spring 2011 WEEK IN REVIEW Feb 21-25 SECTION 4 Three methods of assigning probabilities: 1. Classical Method – based on the idea of equally likely outcomes; if there are n outcomes, the probability of each outcome is 1/n 2. Relative Frequency Method – the probability assigned to any outcome of an experiment is the approximate relative frequency with which the event would occur if the experiment were to be repeated a large number of times under similar conditions 3. Subjective Interpretation – the probability that a scientist assigns to a possible outcome which reflects his/her own judgment about the likelihood; judgment is based on belief and available information Terminology Intersection of A and B (“and”): the event containing the sample points belonging to both

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Section 4 Week in Review 2011[1] - AEM 2100 Spring...

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