Nagy_BUS207.920_Ch5

# Nagy_BUS207.920_Ch5 - Chris Nagy BUS207.920 Chapter 5 pages...

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Chris Nagy BUS207.920 10/2/2007 Chapter 5, pages 172-176 #47 - 87 EOO

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47 a Asking teens to compare their reactions to a new soft drink b One possibility is that no one will like it 51 a Conditional probability: likelihood an event will occur with the assumption that another event has alrea b Event: collection of one or more outcomes of an experiment c Joint probability: measure of the likelihood that two or more events will happen concurrently. 55 a .80 * .10 = .08 b no; 90% of females attended college, 78% of males c d Yes, because all possible outcomes are shown on tree diagram
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Unformatted text preview: 59 a b c 1 - 0.0016 = 0.9984 63 a (4/10)(3/9)(2/8)= 0.0333 b (6/10)(5/9)(4/8)= 0.1667 c 1 - 0.1667= .8333 d Dependent 67 a P(S) * P(R|S)= .60(.85) = 0.51 b P(S) * P(PR|S) = .60(1-.85) = 0.09 71 P(poor|profit) = [.10(.20)]/[.10(.20)+.60(.80)+ .30(.60)]= .0294 75 79 a (.15)(.95) + (.05)(.85)= .185 b (.15)(.05)= .0075 83 87 a P(D) = .20(.03) + .30(.04) + .25(.07) + .25(.065)= .05175 b P(Tyson|defective) = [.20(.03)]/[.20(.03)+.30(.04)+.25(.07)+.25(.065)]=.1159 (0.8) 4 =0.4096 (0.2) 4 = 0.0016 yes, 2 8 = 256 26 4 = 456976 ady occured...
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