Randomization for Recitation 5 Patrick Dale McCray Ph D 23 February 2011 initial version Assignment of problems to speakers for recitation scheduled on Wednesday 2 March 2011 Assignment of problems to speakers for recitation 4 scheduled on Wednesday 23 March 2011 Assignment of problems for recitation 5 scheduled on Wednedsay 6 April 2011 Initialize the psuedorandom number generators In 3 SeedRandom D In 4 RandomInteger 81 000 000 000 9 999 999 999 D Out 4 In 5 3 797 531 460 SeedRandom 2 036 873 713D This ten digit number 2036873713 was initially generated from the system clock circa 3 PM Wednesday 23 February 2011 In 6 SeedRandom 7 667 980 127D This ten digit number 7667980127 was initially generated from the system clock circa 4 36 PM Tuesday 8 March 2011 In 7 SeedRandom 4 925 302 646D This ten digit number 4925302646 was initially generated from the system clock circa 12 11 PM Friday 1 April 2011 Generate random samples of the first ten problems Choose 9 of problems 1 through 10 for Math 149 03 In 8 Out 8 Math14903 RandomSample 81 2 3 4 5 6 7 8 9 10 9D 82 4 3 1 8 5 6 10 9 Choose 6 of these nine problems for Math 149 01 In 9 Out 9 Math14901 RandomSample Math14903 6D 83 2 4 6 10 1 2 Randomization Recitation 5 V8 nb From this random sample we can assign Problem 7 to Person 3 Computationally In 10 Math14901 3DD Out 10 4 For recitation 5 we need 10 of 12 problems for 03 and 5 of those 12 for 01 ProblemList 81 2 3 5 7 8 9 10 11 12 Out 11 81 2 3 5 7 8 9 10 11 12 In 12 Math14903 RandomSample ProblemList 10D In 11 Out 12 83 10 11 2 8 9 5 1 7 12 In 13 Math14901 RandomSample Math14903 5D Out 13 87 11 5 10 2
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