A study involved identical twins where one of the twins smoked and the other twin did not smoke. Researchers determined whether the twins developed heart disease. The data are below. Is there a relationship between smoking and heart disease? Was one of the twins more likely to develop heart disease?Use a 5% level of significance. 1) the appropriate null and alternative hypotheses; 2) the appropriate test; 3) the decision rule; 4) the calculation of thetest statistic; and 5) your conclusion including a comparison to alpha or the critical value.

NONSMOKER

Smoker heart disease non heart disease total

Heart disease 33 55 88

no heart disease 15 70 85

total 48 125 173

Can you show me how to do each of the 5 questions that are being asked. I am confused and really need help. Thank you