it is not .6006, -0.255 or -0.2549 for any of the answers please get right. thank you

Load the Excel file Example 2 -sample from Blackboard. We now use sheet 1. We want to verify whether placing an ad on top of the page generates more clicks than placing the ad on the bottom of the page. How many people were shown the ad at the top of the page? How many people were shown the ad at the bottom of the page? What's the proportion of people who were shown the ad on top of the page that clicked on the ad? What's the proportion of people who were shown the ad on the bottom of the page that clicked on the ad? Say the null hypothesis is that the population proportion of people that click on the ad when it's on the top is higher than when it is on the bottom (p_top>p_bot). What is sigma_phat top = What is sigma_phat bot = What is the sigma (phattop - phatbot) = What is the pvalue? Should we reject the null ( alpha =5%) ? We believe that that We do not have enough evidence to decide. We should therefore gather more data and redo the analysis later on