WPR3_Day1 Solutions - Sheet 1[MA206 AY16-01 Version 1 Cadet...

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Sheet 1 [MA206 AY16-01, Version 1] 05 NOV 2015 Cadet Section WPR 3 Time: 55 minutes Number of Additional Sheets Time Departed READ THESE INSTRUCTIONS CAREFULLY BEFORE STARTING WORK. 1. Place all items not authorized for the test in the hallway. 2. This examination consists of this cover sheet and 5 sheets of problems, for a total of 6 sheets. 3. Write your name and section on each sheet in the space provided. 4. FOR FULL CREDIT, YOU MUST SHOW ALL MATHEMATICAL WORK NEEDED TO JUSTIFY YOUR ANSWERS! If you are using Mathematica , Excel , or R , make sure you transfer sufficient information onto your exam in order to logically present your thought process. 5. If you need more space, use a separate sheet for each problem continued. Clearly indicate which problem is continued with “Continued on sheet ” on the problem sheet and “Problem continued” on the extra sheet. Also, clearly write your name and section on any extra sheets. 6. All work written on this exam will be reviewed for grade unless it is clearly marked through. 7. This exam is designed to assess your individual understanding of the Block III objec- tives. You are authorized your computer (PMF and PDF Reference sheets, additional blank Mathematica notebooks, blank R scripts, and blank Excel spreadsheets only), three 8.5” x 11” sheets of notes (front and back), and any calculator. You may NOT use the internet, email, textbook, or consult other cadets during the exam. 8. A test OIC and/or your instructor is located in the hallway for questions. 9. Early departure is authorized. Part 1 2 3 4 B Point Value 40 40 40 30 5 Grade
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Sheet 2 [MA206 AY16-01, Version 1] 05 NOV 2015 Cadet Section WPR 3 PART I: 40 Points A data analyst for the Army took a random sample of 200 observations from a population that is well modeled by a Weibull distribution. Additionally, the data analyst knows that the true underlying population mean and standard deviation are μ x = 10 and σ x = 5, re- spectively.
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