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mid01_sample

# mid01_sample - Midterm 1(Sample ISyE2028A Summer 2010...

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Midterm 1(Sample) ISyE2028A, Summer 2010 Georgia Institute of Technology Time: 9:20AM-10:30AM Friday June 11, 2010. 1. It is a close book exam. However four page double-sided notes is acceptable. 2. You may use a calculator. During the exam, it is not allowed to share a calculator. 3. Please sign the honor code. 4. There are 8 problems, 7 pages. Name: ______________________(please print) Honor code signature: _______________________.

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ISyE 2028A, Summer 2010 Friday June 4 2 Midterm 1 (Sample) Solutions 1. Let 1 , , n X X  be a random sample from a probability mass function or probability density function f ( x ). For k = 1,2,3,……, the k th population moment is denoted by __________, while the k th sample moment is __________. 2. If Z is a standard normal random variable, then ( 2.0) P Z ≤ − = __________. 3. Which of the following statements are correct if 2 1,2, ....... , ? i i y x i n = ∀ = A. 2 y x = B. 4 y x = C. 2 2 2 y x s s = D. 2 2 4 y x s s = + 4. If the population distribution of a variable is approximately normal, then according to the empirical rule, which of the following statement is the most appropriate?
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mid01_sample - Midterm 1(Sample ISyE2028A Summer 2010...

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