At a certain university, the average credit card debt of graduating seniors is Picture ith a standas deviation of 51225. Assume that the distribution is approximately normal.
Pictures required for all three parts.

Part A: What percent of seniors graduating from this university have less than $100 in credit card debt?

Part B: What percent of seniors graduating from this university have between $2500 and $4000 in credit card debt?

Part C: How much credit card debt is owed for a graduating senior from this university if he has more credit card debt than 90% of his classmates?