7. A sample of 150 people from a certain industrial community showed that 80 people suffered from a lung disease. A sample of 100 people from a rural community showed that 30 suffered from the same lung disease. At a 0.05 level of significance, is there a difference between the proportion of people who suffer from the disease in the two communities? a) Hypotheses: b ) p1 = P2 = c) Test Statistic: A d) Sketch the Rejection Region including the critical values: T O M e) Interpret your findings in the context of the