3. Exercise Three: On a certain business class at BMCC, the class average on the latest examination was 94.75, with a standard deviation of 8.25. Given your knowledge of the Normal Probability Distribution, (a) find the probability of observing a test score lower than 87.00, (b) find the probability of observing a test score greater than 94.75, (c) find the probability of observing a test score greater than 80 and less than 100 on the given examination. (2 Points)