Practice_Midterm_Spring07

Practice_Midterm_Spring07 - Economics 120A Spring 2007...

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Economics 120A Spring 2007 Prof. Maria Cândido Version A 1 Economics 120A 1 st Midterm Examination Spring Quarter April 26 th , 2007 Instructions: a. You have 80 minutes to finish your midterm. Put your name and student ID number on the cover of the bluebook. Write the version of your test ( A or B ) on the cover of the bluebook – you can find the version of your test in the upper right corner of this test. b. There are two parts to this midterm – multiple-choice questions (Part I) and longer questions (Part II). Answer them all in your bluebook , and please write neatly. c. You do not need to justify your answers for the multiple-choice questions. d. Show your work for the longer questions. e. Use a pen to write your answers. You are giving up your right to a regrade if you choose to use a pencil. f. The table below indicates how points will be allocated on the exam. You can answer the questions in any order you like. Use your time carefully and efficiently. Question Points Part I 18 Part II 1. 12 2. 20 3. 20 4. 16 5. 14 Exam Total 100 g. Make sure your exam has 5 pages. You can find a formula sheet in the last page of your exam. h. If a numerical answer is 11 3 , you may leave it like that. You do not have to make it 3.67 i. With you, you should only have a pen, a bluebook and a calculator. j. You will NOT be allowed to leave the room during the midterm. k. Turn off your cell phone, and your IPod, and good luck!
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Economics 120A Spring 2007 Prof. Maria Cândido Version A 2 PART I: Multiple-Choice Questions (2 points each, 18 points total) 1) Events A and B are mutually exclusive, Pr(A or B) = 0.60, and Pr(A) = 0.50. What is Pr(B)? a. 0.10 b. 0.20 c. 0.40 d. 0.50 2) The average and standard deviation of the height of a sample of 200 American men are, respectively, 69.3 inches and 3.7 inches. In centimeters, the mean and standard deviation of the same sample are, roughly: (Note: 1 inch = 2.54 centimeters).
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This note was uploaded on 03/20/2012 for the course ECON 120A taught by Professor Jeyeon during the Spring '08 term at UCSD.

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Practice_Midterm_Spring07 - Economics 120A Spring 2007...

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