It has been established that smoking is associated with lung cancer...

It has been established that smoking is associated with lung cancer. But you are interested to determine in your sample if the proportion of men who did not have lung cancer is different from women who also did not have lung cancer in their smoking history. Refer to the Data Set. Does your data provide sufficient evidence that the proportion of men without lung cancer who smoke and not smoke different from women without lung cancer? Test your hypothesis at the 5% significance level.