According to the government lending institute Sallie Mae, students graduating college have an average credit card debt of $16,100 with a standard deviation of $1,294. A random sample of 28 graduating seniors was selected, and their average credit card debt was found to be $16,560. Does this sample provide enough evidence to disagree with the findings by Sallie Mae? α = 0.05. Find the critical value and the test statistic.

Achild has a box full of colored building blocks. she will choose one block without looking. the odds against choosing a blue block are 4/7. what is the probability of choosing a blue block? amanda is playing a role-playing game with her friends. she will roll dice to determine if her character unlocks a treasure chest. the probability of her character unlocking the treasure chest is 13/20. find the odds in favor of her character unlocking the treasure chest.