2014Fall_Final_key - Math 230 Sta 230 Fall 2014 Final Exam Time allowed 180 minutes Print Name Instructions(a This is a closed book exam You may bring a

2014Fall_Final_key - Math 230 Sta 230 Fall 2014 Final Exam...

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Math 230 / Sta 230 Fall 2014 Final Exam December 12, 2014 Time allowed: 180 minutes Print Name: Instructions: (a) This is a closed book exam. You may bring a two-sided A4 paper of your own notes. (b) Use a calculator when necessary. No cellphones. (c) Show your work on the exam in the space provided (you may use the back of pages if necessary). (d) Please draw a circle or box around your final answers. (e) Keep in mind that there are 8 problems, worth 150 points in total. (f) Numerical answers: four significant digits or fractions in lowest terms . Nonnu- merical: Simplify! (g) Normal distribution table and PDF table attached. (h) Do not cheat. Good luck!
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1.(24pts) Each of the followingXvariables can be described by a known distribution.Givethe name of the distribution with its possible parametersandits expec-tation. No explanations needed. 4pts each. 1
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