For the given scenario, determine the type of error that was made, if any. (Hint: Begin by determining the null and alternative hypotheses.)

A software company states 10%10% as the improvement in students' grades after using the software. One student claims that the improvement in students' grades after using the software is more than 10%. The student conducts a hypothesis test and fails to reject the null hypothesis. Assume that in reality, the improvement in students' grades after using the software is 20%. Was an error made? If so, what type?