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LOS 9.h: Calculate and interpret an                             Session Unit 2:
   unconditional probability using the total                       9. Probability Concepts
   probability rule.














































                                                 B.
                                                 E(X | Y = 1) = (0.2)(0) + (0.4)(5) + (0.4)(10) = 6 and E(X | Y = 2) = (0.1)(0) + (0.8)(5) + (0.1)(10) = 5


                                                 E(X) = (0.3)(6) + (0.7)(5) = 5.30
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