3. In a standard normal distribution, when x = 0, f(x] = 0.3989. Please interpret what is meant by 0.3939. 4. Some probability distributions approach normality as 11 increases. Of those discussed in class, why do they do this (what trait do they have in common)? 5. There is a die that has only four sides. All of them are different colors (orange, yellow, green, and blue), and all of them are equally likely. This die is rolled ve limes. What is the probability of getting a blue side once or less? You must show work