Question: 8: It has been found for two events and that ( ) = 0 . 7 , ( ) = 0 . 5 , and

8: It has been found for two events and that ( ) = 0 . 7 , ( ) = 0 . 5 , and ( ) = 0 . 9 . Work out ( ) . A 9 2 0 B 4 1 0 C 7 2 0 D 2 1 0 E 3 1 0 Work out ( ) . A 2 5 B 3 5 C 3 7 D 7 1 0 E 4 5 Work out ( ) . A 3 5 B 2 7 C 4 7 D 1 2 E 3 7

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