Resumo de Probabilities And Life

It's quite likely that everyone sometime asked : " How likely am I to be a millionaire ? ". Yes, being a millionaire, or even a billionaire is definitely everyone's desire which, in probability theory, is called the favorite outcome. Many other questions in everyday life that we also often come accross is "How likely will I be late for work out of traffic jam, how likely am I blown up by my boss ? or even how likely will I predict exactly score of the tomorrow derby, and so on. Many, many questions come to our mind in our daily life concerning the possibility or impossibility of events which are of our interests. And a science has been established to rigorously deal with these problems, which we will refer to as the calculus of probability.
It is worth mentioning that calculus of probability is an exact science whose results are as reliable as arithmetics or algebra. And due to its preciseness, the probability for an illiterate to be able to remember all the plays of Shakespeare is not zero, which in normal sense, will be considered to be zero because it is quite ridiculous to believe that an illiterate can know, not mentioning remeber, Shakespeare's plays - but who is Shakespeare to him or her ???. And for our sakes of dealing with matters happenning daily, we adopt the so called Single law of chance whose content is relatively simple and intuitively evident: Events with a sufficiently small probability never occur, a conclusion which is not a mathematical truth or in other words, rationally undemonstrable. Let take an example to demonstrate this: what is the probability that tomorrow exactly half of people in the world will die ? The answer is... "almost zero" but it not exactly zero or impossible in a mathematical sense because tomorrow still hasn't arrived, ofcourse, and therefore we can not prove that it is 100% impossible. But it is, however, almost 99.99999...% can not happen. Why ? The reason is that in order for that case to come true many very unlikely events must happen simultaneously: a great number of people dying at the same time and the number of deaths must be exactly half of the word population !
And...whhat is next ? It will be chapter one of the book: " Probability and life " by Emile Borel ! What I mentioned above is a brief of the introduction part of the book which is a very worth-reading one due to its interesting topics,its useful applications in everyday life and its integrated entertainment. For a start, the first chapter will help you understand the relations between the calculus of probabilities and the psychology of gamlers. Chapter Two will be a short brief on difficulties that one may have to face up with when considering probabilities of human life-related matters. It is ended with some remarks on the probabilities of everyday life.
Chapter Four deals with events with very small likelihood to happen but will not be neglibible even when the number of tests increase dramatically. Chapter Five is a more intensive study on probabilities of deaths, a topic already mentioned briefly in chapter two. Finally, chapter Six raise some interesting problems as well as amazing applications concerning heredity in the human race.
This book is rather small in size so it will not overwhelm readers at the first sight.Besides, the content is really easy to understand without any prerequisite knowledge of mathematics. The book is written in an entertaining way which will thereby help you digest the content with a good appetite, without recognizing that you are reading a maths-related book at all! For the last word, you will have lots of time of exciting discoveries and entertaining moments with this small book.

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