A student scores 56 on a geography test and 279 on a mathematics test. The geography test has a mean of 80 and a standard deviation of 20.

A student scores 56 on a geography test and 279 on a mathematics test. The geography test has a mean of 80 and a standard deviation of 20. The mathematics test has a mean of 300 and a standard deviation of 14. If the data for both tests are normally distributed, on which test did the student score better? Show the use of a formula.