the distribution below Y =1 X = 5000 X = 10‚ 000 X = 15‚ 000 0 1/8 1/3 Y =0 1/4 1/8 1/6 (1) 2. Suppose E[X] = 1 and E[Y ] = 2 and suppose X and Y are independent. Evaluate: a) E[2X + 1] b) E[X + Y ] c) E[X − 2Y ] d) E[XY + 1] 3. Suppose V ar[X] = 2‚ V ar[Y ] = 1‚ Cov[X‚ Y ] = 0. Evaluate: a) V ar[X + 2Y ] b) V ar[X − Y ] c) Cov[2X − Y‚ X − 1] n i=1 [Xi 4. Suppose c) n i=1 Xi = 2 and + 2] n i=1 Yi = 3. Evaluate: a) n i=1 [Xi +
Premium Economics Standard deviation Supply and demand
edu/secure/aapd/cist/vop/Business/Huffman/InterSite1/HuffmanInterPort.htm Apollo Group. (2007). Kudler_ Internet / Intranet Portal_. Retrieved from https://ecampus.phoenix.edu/secure/aapd/cist/vop/Business/Kudler/Internet/KudlerPort.htm Apollo Group. (2005). McBride Financial Services - Home. Retrieved from https://ecampus.phoenix.edu/secure/aapd/cist/vop/Business/McBride/Internet/McBridePort.htm Apollo Group. (2004). The Elias Group - Home. Retrieved from
Premium Management Business Strategic management
Unit 011 – Contribute to the Support of Positive Environments for Children and Young People Outcome 1 – 1. Describe what is meant by a positive environment – inside and outside Positive environment inside: In my setting we singing wellcome song before start every sesion that help because every child learn and memory your names‚ also there are feel motivated for participate and sharing with others. Also Positive environment outside: In my setting when the child arrive one person is delegate for
Premium Childhood Therapy Art
Communication in a business environment (Unit 304) Outcome 1: Understand the purpose of planning communication 1.1 The purpose of communication is to allow exchange of information‚ ideas‚ emotions‚ thoughts and opinions. Communication is a huge part of life. There are many different benefits of knowing the purpose of communication; the most significant benefit to me personally is to know how to respond to something‚ to whether the communication was in order to start a debate‚ send a message to
Free Writing Communication Nonverbal communication
Assignment: Staff and Administration Week Two HCA/210 The daily duties and responsibilities of a CNA depend on his/her work setting‚ and include the following: Observing residents‚ reporting any health issues to the supervising nurse‚ Taking care of a resident’s personal hygiene‚ including bed bath‚ shaving‚ nail care etc.‚ Toileting residents‚ Emptying catheter bags‚ Monitoring vital signs including temperature‚ pulse‚ respiration and blood pressure‚ Setting up of meal trays‚ and documenting
Premium Patient Nursing Health care
PT1420 Introduction to Programming Name: Homework 2 Ch. 2: Short Answer 1-3 (10 points) 1. What does a professional programmer usually do first to gain an understanding of a problem? The first thing a professional programmer will usually do to gain the understanding of a problem is to work directly with‚ and interview the customer. 2. What is pseudocode? Pseudocode is an informal language that has no syntax rules‚ and is not meant to be compiled or executed. 3. Computer programs
Premium Programming language Computer programming Computer program
Nude Art Tiffany ART/101 3/22/2013 Summer Nickerson Nude Art Marcel Duchamp’s Nude Descending a Staircase piece of art had a lot of controversy amongst Americans when it was first exhibited in the Amory Show of 1913. In this piece of art he did not have a women pose nude‚ but he used a series of pictures to portray a women walking nude down a flight of stairs. Many people when the first seen the work of art felt as though he was being disrespectful to the audience. The audience
Premium Art Sculpture Marcel Duchamp
University of Phoenix HCR/220 Eligibility‚ Payment‚ and Billing Procedures Checkpoint BreAwna Ingram June 7‚ 2012 Ms. Linda Eligibility‚ Payment‚ and Billing Procedures There are actually a few factors that determine a patient’s benefits eligibility‚ and some of these factors include whether or not coverage ends on the last day of the month where the particular employee’s active full-time service is over‚ and this employee may no longer qualify for insurance benefits. For example if
Premium Patient Health care Health insurance
Moreover‚ multiple functions will disappear after using new technology such as eliminating multiple data entry‚ using paperless tools to transfer and validate data etc. This represents a huge risk to workers and they try to escape from this change. 2. Worker might commit number of frauds or defalcations due to weakness or gap in the manual process‚ and the technology will expose these activities. 3. People used to tradition ways to do their works. They prefer face to face meeting instead of conference
Premium Management Strategic management Marketing
This pack of COMM 102 Week 2 Discussion Question 2 comprises: When you write a paper using references‚ how do you keep track of what information you reference? Might there be a better way? What are some other important tips to share about writing an effective paper? Describe the strategies you use to organize your ideas before you write an academic paper‚ or a business memo‚ report‚ or proposal. Business - General Business COMM 102 Week 1 Individual Assignment Written Communication Exercises
Free Writing Communication