Fine the p-value for sample

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A major poll about the Covid-19 vaccination reveals that the proportion of U.S residents who were hesitant about getting vaccinated was 22% in march. You, the health economist, are interested in conducting your own poll in June to test the hypothesis that this proportion might have changed in June. Out of 100 respondents in your sample, 16 people show hesitancy,

a Formulate a hypothesis test to determine if the proportion of vaccine hesitancy has changed in June. Write the null and the alternative hypothesis.

b. What is the z-score and what is your conclusion at a=0.05? use the z score approach to make a conclusion. Do you have sufficient evidence to conclude that this proportion has changed.

c. Fine the p-value for this sample and confirm your answer using the p-value approach.

Reference no: EM132944957

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