THE MOMENTS OF A RANDOM VARIABLE Definition: Let X be a rv with the range space Rx and let c be any known constant. Then the kth moment of X about the constant c is defined as Mk (X) = E[ (X c)k ]. (12) In the field of statistics only 2 values of c are of interest: c = 0 and c = . Moments about c = 0 are called origin moments and are denoted by k‚ i.e.‚ k = E(Xk )‚ where c = 0 has been inserted into equation (12). Moments about the
Premium Standard deviation Normal distribution Variance
DON’T JUDGE A BOOK BY ITS COVER. The saying ‘don’t judge a book by its cover’ goes a very long way; I learnt my lesson the hard way. I happened to be a very judgmental teenager and I lost many friends that way. Even before speaking with or having any contact with an individual‚ I judged them based on what I saw on the outside. My friends‚ the ones who stuck with me‚ always told me that one of those days‚ I would be taught a valuable lesson; and boy they were correct. I remember the day as
Premium Thought Mind Judgment
Megan Smith ENG-111-OL2 Literary Analysis: The Road Not Taken Like many of us‚ the poem “The Road Not Taken” by Robert Frost describes a young traveler faced with the choice of which road to take. In order to continue his journey he must decide which road to take‚ without the chance to return. In this particular poem‚ Robert Frost metaphorically depicts the average persons thought process of making some of life’s most important decisions. He does this by comparing life’s journey with
Premium Travel Literature Traveler
style need to meet the needs of the historical moment” (Arnett & Arneson‚ 1999‚ p. 34). “Appropriate use of communication‚ as well as business investments‚ need to be historically grounded in what is ‘appropriate’ for a given era” (Arnett & Arneson‚ 1999‚ pp. 34-35). Also‚ “much of our communication is guided by our personal needs” ((Arnett & Arneson‚ 1999‚ p. 35). When meeting the historical moment‚ it is crucial to actually meet the historical moment by discussing issues that are relevant to that
Premium Management United States Strategic management
Bending in beams Key Points: 1. Internal bending moment causes beam to deform. 2. For this case‚ top fibers in compression‚ bottom in tension. Bending in beams Key Points: 1. Neutral surface – no change in length. 2. Neutral Axis – Line of intersection of neutral surface with the transverse section. 3. All cross-sections remain plane and perpendicular to longitudinal axis. Bending in beams Key Points: 1. Bending moment causes beam to deform. 2. X = longitudinal axis 3. Y
Premium Elasticity Force Bending
A day of happy moments Pleasure is something which satisfies our senses but happiness is something deep seated. It is something which is much nearer to our soul. A hot cup of coffee on a chilly day would surely bring pleasure and not happiness. Now I shall say when I was very happy. Even from my early days‚ I used to take interest in games. My elder brothers used to take me to the sports and matches. Whenever I saw the victors receiving trophies‚ I eagerly wished that I must be on the victory
Premium Running Orders of magnitude Sprint
The Year I spent Easter Sunday in the Hospital To me Easter Sunday has always been a very important holiday. My whole family always gets together to celebrate it. We always go to the Ranch‚ and have lots of activities‚ and many kinds of delicious food. In the spring of 2010 I was expecting my first baby. It was a great feeling‚ but it turned out that his due date was on Holy Friday ‚ just two days before Easter Sunday. I had been feeling great during my hole pregnancy‚ so when I had my 39th
Premium Easter English-language films American films
Senior Moments and Alzheimer’s: The Top Five Questions to Ask Your Doctor Everyone forgets something at times. It may be where they put their car keys‚ a phone number they have known for years or what time an appointment is. This happens to people of all ages‚ not simply seniors. The elderly‚ however‚ often worry when this occurs and wonder if they are showing the early signs of Alzheimer’s disease. Here are five questions to ask your doctor if you are concerned about forgetfulness. 1. What is the
Premium Psychology Alzheimer's disease Medicine
Refrigerated or frozen chicken production is a really good deal as a business. Almost everyone eats chicken‚ and almost no house has a fridge with no chicken inside it. But as entrepreneurs still there are challenges in having this business officially. In my essay‚ I’m going to mention some of the challenges I’m going to face as an entrepreneur incase I wanted this business to exist in my country Saudi Arabia‚ and how I might have to find substitute solutions so that my business doesn’t end up with
Premium Entrepreneurship Competition Saudi Arabia
Yegoryan March 27‚ 2015 Narrative Essay Life is full of various events and experiences‚ but not all of them are equally important‚ enjoyable and memorable. There are a few of those special days which remain evergreen in my heart and that I can remember of. Some events have changed me for better and made me stronger‚ while others are just there to remember and smile because they have happened at one point in my life. The fact of me coming to America for the first time is such an event. It
Premium 2008 albums High school