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Unformatted text preview: handling of the economy? see numerator in question (b) = 220/600 = 0.367 b) Among those senior citizens that approve of the President’s handling of the economy, what proportion is female? 677 . 325 220 600 325 600 220 ] Pr[ ] AND Pr[ ] | Pr[ = = = = approve approve F approve F c) Among female senior citizens, what proportion approves of the President’s handling of the economy? 629 . 350 220 600 350 600 220 ] Pr[ ] F AND Pr[ ] | Pr[ = = = = F approve F approve d) Is a senior citizen’s opinion of the President’s handling of the economy independent of the citizen’s gender? 583 . 600 350 ] Pr[ 677 . ] | Pr[ = = ≠ = F approve F Hence, the events are dependent. If independent Pr[F | approve] = Pr[F], etc....
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This note was uploaded on 02/27/2010 for the course ENME 271 taught by Professor Marks during the Spring '08 term at Maryland.
- Spring '08