2. A set of test scores is normally distributed with a mean of 100 and a standard deviation of 20 Use the 68-95-99.7 rule to find the percentage of scores in each of the following categories a) Draw the model for these test scores. Clearly label it, showing what the 68-95-99.7 Rule predicts. b) What is the percentage of scores greater than 100? c) What is the percentage of scores greater than 120? d) What is the percentage of scores less than 80? e) What is the percentage of scores less than 140?