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
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our technique level‚ the final day of tryouts arrived. I went into the room where the coaches sat and performed my heart out‚ and I thought hopefully that would be enough. After my tryout‚ they called me back in to tell me their final results. The moment of uncertainty that arrived was horrific. Finally they opened their mouths and said "you made the team!” I was so excited I started to cry. Being on this team was everything I wanted a more in my then fourteen years of existence. That first year
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Most Memorable Moment Memories‚ memories‚ memories some make you laugh‚ get angry‚ even cry but the one thing is for sure they all share a place deep in our hearts. I have so many memories but the one which stands out most in my mind‚ heart and soul is the memory of my son Alyxaiden Eric Nicholas Cano. He was born Mothers ’ day May 8th of 2011 at 9:50 am‚ weighing 7 lbs and 6 oz and 19 ’3 inches in length; absolute perfection. I was in labor with him 7 long painful yet worth while
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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
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The Wildest Experience of My Life Carl S. Fricke English Composition 1 So my last weekend before being deployed has finally arrived. I wanted to do something exciting‚ extreme - something I never would have imagined doing before – something that would take a lot of heart to do. Maybe even could be called a little crazy as others told me. Skydiving was something I had never done and certainly had never thought of doing until now. After doing some research online‚ I found a place only an
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Samantha Martin Mrs. Nunnery ENG 111-980W 23 Sept. 2011 My First Swimming Lesson Learning new things can sometimes be scary. Swimming‚ for me‚ was one of those new things. I knew swimming was going to be important in my life. The hard part was learning how to swim. I thought it would be god exercise‚ and a good social experience‚ I could spend time with my friends by the pool. My parents were not patient enough with me‚ seeing I did not really like the water. So they put me into a swimming
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The Missing Melody I woke up in the middle of the night with a sweat all over my face. “Oh‚ it is such a horrible nightmare I had.” I said to myself. I lighted the candle in my room; the small frame gave me a warmer atmosphere; so I felt a lot better. I tried to continue my sleeping but I had a strong sense that there is something wrong. And what made me frighten until my heart beat faster was my sense is never lie to the reality. Nevertheless‚ I felt asleep again with my doubtful mind. Three hours
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Thump. Thump. Thump. The pounding of the door awakened me in the dead of the night. Distinctive voices were calling through the door. I lay in my bed quietly as I heard the footsteps of my mother in the hallway. Lights went a blazing‚ lighting her way‚ some spilling into our room. Then I heard a door open and more feet shuffling into our quiet home. “Police‚” said an unknown voice‚ so loud and so clear. “Put your hands up in the air and get down on the floor.” My mother moved to obey the order
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True friends are like diamonds‚ precious and rare. False friends are like dirt‚ found everywhere. Friendship should never be a difficult thing; it should always be the easiest thing in life. An insincere and evil friend is more to be feared than a wild beast; a wild beast may wound your body‚ but an evil friend will wound your mind. A true friend is a hand that is always holding yours‚ no matter how close or far apart you may be‚ someone who is always there and will always‚ always care‚ a feeling
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Eloisa Vasquez ENG102 Ms:Margaret-paterson Final assay. People should use their time to be volunteer. There many people in this world that waste their time in many activities that are unnecessary‚ such as going out or just having fun anywhere. People don’t think that they can use their time in more us full activities‚ activities that can help other people. Such as been a volunteer in any church hospital or any organization that can help many people who needed. Why people should be a volunteer
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