Question: Create a new variable name highestinc that equals 1 if the mother is in the highest income quartile and equals 0 if the mother is

Create a new variable name "highestinc" that equals 1 if the mother is in the highest income quartile and equals 0 if the mother is not in the highest income quartile. Test the hypothesis that the proportion of mother's who drank during pregnancy differs between those mothers who are in the highest income quartile and those who are not in the highest income. Select the correct statement of the null and alternative hypotheses

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