An interactive poll on the front page of the CNN website in October 2011 asked if readers would consider voting for Herman Cain, who at the time, was a Republican presidential candidate. A statistics student used the information from the poll to calculate the 95 % confidence interval. He got ( 0.53 , 0.59 ) . He also conducted a hypothesis test. He found very strong evidence that more than half of voters would consider voting for Herman Cain.