8. An insurance company sets up a statistical test with a null hypothesis that the average time for processing a claim is 5 days, and an alternative hypothesis that the average time for processing a claim is greater than 5 days. After completing the statistical test, it is concluded that the average time exceeds 5 days. However, it is eventually learned that the mean process time is really 5 days. What type of error occurred in the statistical test? a) Type I error b) Type II error c) Type III error d) No error occurred in the statistical sense.