# Past Exam for STAT 100 - ELEM STAT & PROB at Maryland (UMD)

## Exam Information

 Material Type: Final Professor: Staff Class: STAT 100 - ELEM STAT & PROB Subject: Statistics and Probability University: University of Maryland Term: Fall 2006 Keywords: CalculatorsIndependenceProbabilitiesPoint of ViewExpected ValuesInitial ValueInitial ConditionValue ProblemEigenvectorsEigenvalues

## Sample Document Text

. 1I r .. J' . i '.\ ; "·:.4 ------------.--------------------.----~.------------------------------------------.-------- [25] [15] Math 246H Final Exa Fall 2006 M.Jakobson Solve each of the following eight pro lems on a separate answer sheet, using the back of the sheet if necessary. P t your name, section number, the name of your recitation instructor, and th number of the problem on each sheet. Carefully show all your steps and e plain your arguments. Cross out any material that is not to be graded. Y; u may NOT use calculators, notes or texts. 1. Solve the initial value problem. Find the maximal interval in which the solution is valid. y' = -:--;:~====:=::: 2y y(5) = 2 2. (a) A tank contains 10 kg of alt dissolved in 100 liters of water. A solution of salt water cont ining 1 kg/liter flows into the tank at a rate of 5 liters/minute, d well mixed solution flows out of the tank at the same rate. i. Write down an initialalue problem satisfied by the amount ( ...

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