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A recent poll estimated that 4.3% of American adults are vegetarian. A nutritionist thinks this rate has increased and will take a random sample of American adults and record whether or not they are vegetarian. State the null and alternative hypotheses in words and in symbols. . . . .. State the null hypothesis in words. The proportion of American adults who are vegetarian is State the null hypothesis in symbols. Ho 0.043 different from 4.3%. State the alternative hypothesis in words. less than 4.3%. The proportion of American adults who are vegetarian is State the alternative hypothesis in symbols. greater than 4.3%. H 0.043 equal to 4.3%