MATH 431 Final: 2011 Math 431 - Anderson - Spring Final
Document Summary
Instructions: do not open this test booklet until you are directed to do so, clearly de ne any and all random variables you use in your solutions, budget your time wisely, this test is closed book and closed notes. You will have until 2:25 pm to complete the exam. However, i would recommend you go back and check your work: throughout the test, show your work so that your reasoning is clear. Other- wise no credit will be given: if you need extra room, use the back of the pages. Just make sure we can follow your work: there are 8 problems on the exam. It is your responsibility to con rm that you have all of the problems. A scientist strongly believes that a random quantity of interest has density of the general form f (x) = (cid:26) c/x x [1, 3] else. What is the expected value of her random quantity (you should give a number): (10 pts. )
