practicequiz2

practicequiz2 - Practice questions for Quiz 2 CS 228 -...

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Unformatted text preview: Practice questions for Quiz 2 CS 228 - Winter 2009 January 14, 2009 The following questions are provided as examples of the types of questions we will ask on the quiz this week, as well as the kinds of questions you should be asking yourself (and answering) as you read the text. 1. Use the following figure for the next two questions. Which of the following is equal to 0.6 (the first number in the parentheses corresponds to D=0, the second to D=1)? P ( B = 1 | A = 1) P ( C = 0 | A = 1 ,B = 0) P ( D = 0 | A = 1 ,B = 1) P ( D = 0 | A = 1 ,B = 0 ,C = 0) List all context-specific independencies that are represented by this tree-CPD. 2. DBN Two robots, Romeo and Juliet, are moving around the Gates Building. They are on different floors and never meet. Each robot moves using a random walk (i.e. at each time step moving from one position to a random neighbor in the grid.) In general, the robots do not know their location, and have to estimate it based on their sensors. Each has a standard noisy sonar sensorlocation, and have to estimate it based on their sensors....
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practicequiz2 - Practice questions for Quiz 2 CS 228 -...

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