BUAL 2600 YAN EXAM 2 QUESTIONS WITH CORRECT ANSWERS

Using the long run relative frequency


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relative frequency method of assigning probabilities




If A and B are independent events, P(A)=.2 and P(B)=.7, determine P(A U B)


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.76




what are the characteristics of a poisson distribution?

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1. the probability of occurrence is the same for any intervals of equal length
2. The occurrence in any interval if independent of an occurrence in any
non overlapping interval




The ______ of A and B are elementary events that belong to both A and B


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Intersection




Possible values can be counted or listed
Ex: The number of defective units in a batch of 20


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discrete random variable




possible outcomes for an experiment


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Experimental Outcomes