12. Individual scores on a visual perception test are normally distributed with a mean of 2020 and a standard deviation of 250. a. Describe the distribution of these test scores or if preferred sketch the distribution.. b. With regard to this distribution in (a), give at least two statements related to the Empirical rule. c. One subject is tested resulting in a perception test score of 1800. Find her standard/z-score. What does this z- score tell you? d. If one subject is randomly selected and tested, find the probability of the score being higher than 1800. e. With regard to this distribution in (a), determine P(x