ShortStry and NexText are two social media apps in which users can post messages in text. Alonzo's last post on ShortStry was 212 characters. Justin's last post on NexText was 411 characters. The character counts for posts on ShortStry have a population mean of 267 and a standard deviation of 53. The character counts for posts on NexText have a population mean of 313 and a standard deviation of 41. For each app, the distribution of the character counts is clearly bell-shaped. (a) Find the z-scores of Alonzo's last post as a post on ShortStry and Justin's last post as a post on NexText. Round your answers to two decimal places. X 5 ? z-score of Alonzo's post: z-score of Justin's post: (b) Relative to its population, which post was shorter? Choose the best answer based on the z-scores of the two posts. O Alonzo's post X 5 ? O Justin's post O It is unclear which post was shorter relative to its population