Jason and Mary took an entrance exam with a certain company.  Jason scored a 76%

Jason and Mary took an entrance exam with a certain company.  Jason scored a 76%.  His cohort’s average was 80% with a standard deviation of 5%.  Mary also scored a 76%.  Her cohort’s average was an 83% with a standard deviation of 8%.   Determine a z-score for each person and compare their scores using z-scores.