At Westtown High School, the mean score on the French final examination was 81 with a standard deviation of 5, while the mean score on the Spanish final examination was 72 with a standard deviation of 12.
To earn a language honor at graduation, students must score in the 90th percentile on all their language final exams. Brynne scored 88 on both the French exam and the Spanish exam. Is Brynne qualified for honors? Homework Help ✎
Even though she scored 88, keep into account the standard deviation and mean score.
Use your calculator to calculate normalcdf(lower bound, Brynne's score, mean, standard deviaton) for each exam.