Q4. Hypothesis Testing [15pts] Buzz and Dawg are running for the president of the USG. Based on two independent exit polls, the rst poll indicates 400 out of 800 voters voted for Buzz and the second poll indicates 270 out of 600 voters voted for Dawg. Can Buzz claim hefshe is going to win the election or hefshe needs to wait a little longer to claim the victory? Assume we only have two candidates and the candidate who receives higher votes wins the election. Please run the most appropriate hypothesis testing on two population proportions to verify Buzz's claim with a = 0.05 . Write down your hypotheses clearly and use pvalue to make your conclusion. [Note] The proportional test you use should be the exactly same methodftest we learned in class