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Unformatted text preview: (b) Compute the expected value for this box when 100 draws are made at random with replacement. What about the expected value when 1000 draws are made. (c) The standard error is dened by the formula SE = number of draws SD of the box. Compute the standard error for 100 draws and 400 draws from this box. 5. Go to the Gallup Organizations website. Spend 10 minutes surng the website and looking at the kind of statistics they collect. See if you can nd the way they conduct sampling and the sizes of their sample. Here is the question: What is the presidents approval rating this week? Has it declined, remained constant, or improved in the month of December 2010? 1...
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 Spring '11
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 Math, Statistics

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