2. (2.5 pts) We have a dataset measuring the average weight of apples in Walmart. We randomly weighed 200 apples among all of them, 120 apples have weight larger than 100 grams. Wal- mart want to perform a null hypothesis that the true proportion of apple weights larger than 100 grams is 0.5. And the alternative hypothesis is that the proportion is larger than 0.5. Find the pvalue of the hypothesis testing