Ex 2.4 - Not Married Total Manager 0.19 0.35 0.54 Not...

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Exercise 2.4 1. a): { B,B } X = B , Y = B ; { B,W } X = B , Y = W ; { B,G } X = B , Y = G ; { W,B } X = W , Y = B ; { W,W } X = W , Y = W ; { W,G } X = W , Y = G ; { G,B } X = G , Y = B ; { G,W } X = G , Y = W ; b): Y X B W G B 1/5 1/5 1/10 W 1/5 1/15 1/15 G 1/10 1/15 0 3. a), 0.03; b), x 1 2 3 4 P(X=x) 0.23 0.27 0.27 0.23 y 1 2 3 4 P(Y=y) 0.23 0.27 0.27 0.23 c), 0.03 5. a), female male Total < 40K 0.5430 0.1369 0.6799 40K - 80K 0.1479 0.1060 0.2539 80K - 120K 0.0287 0.0199 0.0486 > 120K 0.0088 0.0088 0.0177 Total 0.7285 0.2715 1.0000 b), 72 . 85%; c), 67 . 99% d), 54 . 30%; e), 74 . 55% 7. a), Married
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Unformatted text preview: Not Married Total Manager 0.19 0.35 0.54 Not Manager 0.11 0.35 0.46 Total 0.3 0.7 1 b), 63 . 33%; c), 50% 9. a), Y X 1 2 0.5 1 0.3 2 0.2 b),for instance, X , Y are independent Y X 1 2 0.25 0.15 0.1 1 0.15 0.09 0.06 2 0.1 0.06 0.04 1...
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This note was uploaded on 05/30/2010 for the course MATH 218 taught by Professor Haskell during the Spring '06 term at USC.

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