please draw a bellshape with empirical rule to explain the answer.

thank you

Suppose you work in the personnel department of a firm that just finished training a group of its employees and you have been requested to review the performance of the trainees on their final examination. The mean and standard deviation of the test scores are 80 and 5. Assume the distribution of scores is bell-shaped. What percentage of test-takers would score better than a trainee who scored 90