Principles_of_Statistics_-_Exam_2

Principles_of_Statistics_-_Exam_2 - Principles of...

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Principles of Statistics Second Examination – Fall 2007 Name: Date: Instructions: Answer ALL the questions in the blue book. There is no need to write an explanation for the true or false questions or for the multiple- choice questions. For the problems, you must show your work. Answers stating just the final result will not be considered a correct answer. Be sure to clearly state your answer when needed. Good luck. True or False Questions (2 points each question): 1. For a continuous random variable, the total area beneath the probability distribution curve will be greater than 0 but less than 1. 2. The standard normal distribution always has a mean of zero and a standard deviation of one. 3. In a continuous distribution the probability at a given point is zero. Multiple-Choice Questions (2 points each question): 4. A probability distribution a. Is a listing of all possible values of a random variable? b. Is a listing of all possible values of a random variable, along with their probabilities? c.
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This note was uploaded on 04/11/2008 for the course ECONOMICS 290 taught by Professor Medina during the Spring '07 term at CUNY City.

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Principles_of_Statistics_-_Exam_2 - Principles of...

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