1. (6 points) State whether the shape of each distribution is symmetric, skewed left, skewed right, uniform, or bimodal. (a) (b) (c) Relative frequency 2P828 88 Frequency 2. (12 points) Suppose the distribution of test scores in a statistics class is unimodal and symmetric with mean 78 points and standard deviation 5.4 points. Use the Empirical Rule to answer the following. (a) What percentage of students had a score between 67.2 and 88.8? (b) What percentage of students scored less than 67.2 points? 3. (8 points) Suppose A and B are two events such that P(A) = 0.35, P(B) = 0.8, and P(A U B) = 0.6. Find P(An B)