5. In an experiment to study the dependence of lung cancer on smoking habits, the following data were taken from 180 individuals: Nonsmokers Moderate Heavy Smokers Smokers With cancer 19 42 39 No Cancer 50 20 10 Total 69 62 49 Find if there is relationship between cancer and smoking habitsA random sample of 50 adults are classified according to sex and were asked their opinion regarding the ceasefire between the government and the NPA at Christmas. Use at 05 level of significance to test the null hypothesis that there is no significant difference between the opinion of male and female adults on the issue of ceasefire between the government and the NPA. Ceasefire Sex Yes No Total Male 18 7 25 Female 20 5 25 Total 38 12 50