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A recent poll estimated that 2.8​% of American adults are vegetarian. A nutritionist thinks this rate...

A recent poll estimated that 2.8​% 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?

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Answer #1

Solution :

This is the two tailed test .

The null and alternative hypothesis is

H0 : p =0.028

Ha : p \neq 0.028

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