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# HW1-2 - o F 20x.8=16 20x.1=2 20x.1=2 20 C 30x.2=6 30x.7=21...

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F C H + 20x.8=16 30x.2=6 50x.1=5 27 o 20x.1=2 30x.7=21 50x.3=15 38 - 20x.1=2 30x.1=3 50x.6=30 35 20 30 50 100

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EofI Prior Probability Conditional P(+|EI) Joint Probability Positive P(EI|+) F 0.2 0.8 0.2(0.8) = 0.16 0.16/0.27 59% C 0.3 0.2 0.3(0.2) = 0.06 0.06/0.27 22% H 0.5 0.1 0.5(0.1) = 0.05 0.05/0.27 19% ∑ = 0.27 EofI Prior Probability Conditional P(0|EI) Joint Probability Positive P(EI|0) F 0.2 0.1 0.2(0.1) = 0.02 0.02/0.38 5% C 0.3 0.7 0.3(0.7) = 0.21 0.21/0.38 55% H 0.5 0.3 0.5(0.3) = 0.15 0.15/0.38 39% ∑ = 0.38 EofI Prior Probability Conditional P(-|EI) Joint Probability Positive P(EI|-) F 0.2 0.1 0.2(0.1) = 0.02 0.02/0.35 6% C 0.3 0.1 0.3(0.1) = 0.03 0.03/0.35 9% H 0.5 0.6 0.5(0.6) = 0.30 0.30/0.35 86% ∑ = 0.35
Number of tv sold (n) 1 2 3 4 5 Relative frequency (f) 0.15 0.2 0.5 0.1 0.05 n x f 0.15 0.4 1.5 0.4 0.25 mean (2.7/5) 0.54 SD 0.55

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A Q P A Q P A Q A 1.00 0.14 0.20 0.08 0.10 0.05 0.07 1.00 0.14 Q 7.00 1.00 3.00 0.54 0.68 0.71 0.64 0.07 7.00 + 0.64 1.00 + 0.28 P 5.00 0.33 1.00 0.38 0.23 0.24 0.28 5.00 0.33 Affordability D A H D A H D A D 1.00 3.00 0.20 0.16 0.27 0.15 0.19 1.00 3.00 A 0.33 1.00 0.14 0.05 0.09 0.11 0.08 0.19 0.33 + 0.08 1.00 + 0.72 H 5.00 7.00 1.00 0.79 0.64 0.74 0.72 5.00 7.00 Quality D A H D A H Adj D A D 1.00 0.33 5.00 0.24 0.22 0.45 0.30 0.45 1.00 0.33 A 3.00 1.00 5.00 0.71 0.65 0.45 0.61 0.45 0.30 3.00 + 0.61 1.00 + 0.09 H 0.20 0.20 1.00 0.05 0.13 0.09 0.09 0.09 0.20 0.20 Performance D A H D A H D A D 1.00 3.00 5.00 0.65 0.69 0.56 0.63 1.00 3.00 A 0.33 1.00 3.00 0.22 0.23 0.33 0.26 0.63 0.33 + 0.26 1.00 + 0.11 H 0.20 0.33 1.00 0.13 0.08 0.11 0.11 0.20 0.33 Key: J2 x J8 + J3 x K14 + J4 x J20 Dell: 0.08 x 0.19 + .64 x .45 + .28 x .63 0.48 Apple: .08 x .08 + .64 x .45 + .28 x .26 0.37 HP: .08 x .73 + .64 x .09 + .28 x .10 0.15
P 0.20 0.22 3.01 3.00 2.01 3.12 Lambda Max CI 1.00 0.87 3.06 9.20 / 3 = 3.07 - 3 / 2 = 0.03 H 0.20 0.59 3.04 0.14 0.25 3.01

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HW1-2 - o F 20x.8=16 20x.1=2 20x.1=2 20 C 30x.2=6 30x.7=21...

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