Question: 7.12. In the study mentioned in the previous exercise, the percent who said they had engaged in unplanned sexual activities because of drinking alcohol was

7.12. In the study mentioned in the previous exercise, the percent who said they had engaged in unplanned sexual activities because of drinking alcohol was 19.2% in 1993 and 21.3% in 2001.

(a) Specify assumptions, notation, and hypotheses for a two-sided test comparing the corresponding population proportions.

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