STAT 758: Homework #6 Due on Wednesday‚ 11 April‚ 2012 Zaliapin‚ 1:00pm Tracy Backes 1 Tracy Backes STAT 758 (Zaliapin): HW #6 Problem #1 We assume below that Zt ∼ W N (0‚ σ 2 )‚ B is a backshift operator. 6.1 For the model (1 − B)(1 − 0.2B)Xt = (1 − 0.5B)Zt : a) Classify the model as an ARIMA(p‚ d‚ q) process (i.e. find p‚ d‚ q). ARIMA(1‚1‚1) b) Determine whether the process is stationary‚ causal‚ invertible. • The process is stationary if all roots of ϕ(z) are off of the unit
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ECO204: Solutions to Homework 5 1. True‚ False‚ Uncertain a. False. Methods to eliminating moral hazard include writing efficient contracts between principals and agents‚ bonding and deferred payments. The methods to eliminate adverse selection include sending signals and relying on 3rd parties to verify quality. b. True. When there is asymmetric information‚ it drives out high-quality goods because consumers have a difficult time differentiating between high- and low-quality goods. As a result‚
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Business Research Methods – Course Handout MBA – Semester II – Class of 2014 Faculty: Vishal Mishra Qualifications: PhD (Strategic Management)‚ M.M.S (Systems/Marketing) Contact Details: Room No. – E 213; Ph – 9948494348 (Mob.); Email: vmishra@ibsindia.org Meeting Hours: All (working) week-days - with prior appointment 1. Instruction Details Course Duration: 33 sessions of 75 minutes each‚ 2. Course Details A. Course Objective: To provide basic concepts of research methods
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Module code: FC 5012T Title: Skills for Study 1 Assignment question: What are the main problems associated with using plastic bags? Identify solutions to reduce these problems. Word count: 742 Tutor name: Bird‚ Marianne City University Number: 110065767 Submission Date: 26/10/2011 Plastic bags have been used on a daily basis since 1977 (Williamson‚ 2003) as a means of carrying items such as groceries as they are not only convenient but also cheap. However‚ the over-use of plastic
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Put a Halt on Animal Testing Humans to this day find themselves dominant over animals. The world is becoming less aware of the pain and suffering being afflicted on animals. As a result‚ animals are becoming more and more downtrodden in society. Humans still continue to treat animals as if they are poverty. As if we can own animals and therefore control their lives and what happens to them. I find this very immoral. Animals are here for themselves. Just like humans‚ they have their own lives‚ in
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Test Item File Electronic Devices and Circuit Theory‚ 9e (Boylestad) Chapter 1: Semiconductor Diodes 1) An intrinsic semiconductor is one that is as pure as present-day technology can make it. 2) Electrons are the minority carriers in an n-type material. 3) Holes are the majority carriers in a p-type material. 4) The quantum-Volt (qV) is the unit of measurement for electron energy. 5) A free electron has a higher energy state than any that are bound to their nucleus.
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1. Identify suitable business data‚ data elements‚ data types‚ and resources‚ based on the following interview between a database analyst and a lecturer from Sutherland University: Business Data Data Elements Data Types Resources Course Course code Course name Course start date Course end date Integer Character Date Date Admin Classes Class name Start date End date Time Location Class capacity Integer Date Date Date time Integer Variable Admin Students Student ID
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Average job completion time Average number of jobs in the system Average job lateness. Additional criteria include: average wait time‚ average total completion time‚ and variance in completion times. END-OF-CHAPTER PROBLEMS |15.10 |JOB |DUE DATE |DURATION (DAYS) | | |A |313 | 8 | | |B |312 |16 | | |C
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ATILIM UNIVERSITY DEPARTMENT OF MATHEMATICS Math 211 - Discrete Mathematics with Applications 2010-2011 Fall Semester Problem Set I Prepared by Mehmet TURAN O−‚ Ω−‚ Θ− Notations 1. Let f and g be real valued functions defined on the same set of nonnegative real numbers. (a) Prove that if g(x) is O(f (x))‚ then f (x) is Ω(g(x)). (b) Prove that if f (x) is O(g(x)) and c is any nonzero ral number‚ then cf (x) is O(cg(x)). (c) Prove that if f (x) is O(h(x)) and g(x) is O(k(x))‚ then f (x) + g(x) is
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During the operation of sand washing machine‚ customers may encounter some problems‚ such as the amount of washed asnd is decreasing‚ the sand is leaking‚ the damage of sand net‚ bolt ollseness‚ vibration of sand making machine‘s fixing frame‚ the sudden raised noise of transmission part‚ gear damage due to its lack of lubrication‚ etc. Here are some tips about sand making machine’s damage and resolution. 1). As to its bearing‚ the usual damage is lubrication shortage and seal ring breakdown
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