# hw2 - MSPE PROGRAM Econ 506 Fall 2011 Homework 2 Due...

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MSPE PROGRAM Econ 506, Fall 2011 Homework 2 Due Tuesday September 27 at the beginning of the class I. Use Excel for the following: You will turn in your completed Excel worksheets. i) First sheet : Discrete probability distribution A1 Name A2 UIN A3 Homework 2. Probability Distribution. Starting in row 10 make columns as follows: Column contents B Y (The numbers 1-9) C X(i) the values of your UIN (i.e. nine random numbers) D P(Y) = X(i)/Sum(X(1):X(9)) E cumulative Prob, F Y*P(Y), G Y^2 * P(Y), H Y-E(Y), I (Y-E(Y))* P(Y), J (Y-E(Y))^2 * P(Y), K (Y-E(Y))^3 * P(Y), Where the sum of any column has meaning, put it at the bottom of the column. E.g., for P it should equal 1, but nothing should be at the bottom of Y-E(Y). Also find the median and put it below E(Y). Is this an appropriate discrete probability distribution? State on the worksheet below the table how you know it is. Find the variance by using both methods discussed in class. ii) Second sheet : Binomial distribution A1 Name A2 UIN A3 Homework 2. Binomial Distribution.

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