Two Proportion Test 1) Are college graduates less likely to be smokers? In a random sample of 70 college graduates, 15 were smokers. In a random sample of 144 adults with a high school diploma or less, 34 were smokers. At the 0.01 level of significance, test the claim that college graduates are less likely to be smokers than adults that did not attend college. Step 1: identify which population will be population 1. Step 2: the test statistic is Z= just write "two proportion test" Step 3: compute the test statistic and p-value