fragmnt and Talk2U are two social media apps in which users can post messages in text. Mary's last post on NexText was 395 characters. Lashonda's last post on Talk20 was 143 characters. The character counts for posts on NexText have a population mean of 324 and a standard deviation of 33. The character counts for posts on Talk2u have a population mean of 65 and a standard deviation of 27. For each app, the distribution of the character counts is clearly bell-shaped. (a) Find the 2-scores of Mary's last post as a post on NexText and Lashonda's last post as a post on Talk2u. Round your answers to two decimal places. ? z-score of Mary's post: 2-score of Lashonda's post: (b) Relative to its population, which post was longer? Choose the best answer based on the 2-scores of the two posts. Mary's post Lashonda's post It is unclear which post was longer relative to its population x 5 ?