2. YouTube videos use images called thumbnails to attract users. The click-through rate is the proportion of users who click on a video after seeing its thumbnail. YouTubers aim to maximise revenue by selecting video thumbnails with the highest click-through rates. To evaluate the performance of different thumbnails, YouTubers often employ A/B testing. In this method, two thumbnails are randomly presented to users, and their respective click-through rates are evaluated to determine the more successful option. Now consider an experiment by a YouTuber who has used Thumbnail A for the first 24 hours, seen by 13,455 users with 563 clicks. Thumbnail B was used for the next 24 hours, seen by 9,448 users, and 323 clicked on the video. Assuming a 5% level of significance, use appropriate R commands to analyse the results. Summarise your findings in a way that the YouTuber, who has no background in statistics, can easily comprehend