In a poll of 1500 adults in July 2010, 795 of those polled said that schools should ban sugary snacks and soft drinks. Complete parts a and b below. a. Do a majority of adults (more than 50%) support a ban on sugary snacks and soft drinks? Perform a hypothesis test using a significance level of 0.05. State the null and alternative hypotheses. Note that p is defined as the population proportion of people who believe that schools should ban sugary foods. O A. Ho:p<0.50 Hạ:p>0.50 О В. Но: р0.50 Hạip#0.50 OC. Ho: p= 0.53 H:p>0.53 O D. Ho:p=0.50 Ha:p>0.50 Find the value of the test statistic z. z=O (Round to two decimal places as needed.) Find the value of the corresponding p-value for this test statistic z. p-value = (Round to three decimal places as needed.) Do you reject or not reject the null hypothesis? O Do not reject Ho- O Reject Ho- b. Choose the best interpretation of the results you obtained in part a. O A. The percentage of all adults who favor banning is significantly more than 50%. O B. The percentage of all adults who favor banning is not significantly more than 50%.