2. Let's say that a statistics student can finish a test with a mean of 60 minutes and a standard deviation of 10 minutes. Assume that the data is normally distributed. a. Draw a probability density function describing the situation above. b. What is the probability it will take between 50 and 70 minutes? c. What is the probability it will take exactly 60 minutes to finish the test? d. What is the probability it will take between 40 and 60 minutes to finish the test? e. What is the median amount of time it takes to finish the test