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4) A study of teens focusing on Alcohol and Tobacco Use produced the following Contingency table: Tobacco Use Yes No Alcohol Yes 1449 500

4) A study of teens focusing on Alcohol and Tobacco Use produced the following Contingency table: Tobacco Use Yes No Alcohol Yes 1449 500 1949 Use No 46 281 327 1495 781 2276 a) What are the Conditional Probabilities of Tobacco Use (by row)? b) What are the Expected Frequencies for each entry of the table? c) What is the 2 score? And what is its P-value? What would we conclude about Alcohol Use and Tobacco Use?

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