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A Quick Look At The Fundamentals Of Probability Theory

Sunday, January 12, 2014

By Marissa Velazquez


The fundamentals of probability theory entail all the concepts that are dealt with the analysis of various random events in mathematics. It is a very extensive branch of mathematics whose main objectives is to analyze various events which occur randomly. There are a number of sub branches depending on the study being carried out. The study of random variables, abstract systems and stochastic processes is often considered core in analysis of probability.

Our lives are a system of random events. What takes place today may not occur the following day or days to follow. Today it could be sunny, and then a day after temperatures falls. They could go up randomly a couple of days later. Probability takes into consideration all this changes through the study of random variable s and stochastic processes. Natural disasters also fall under this category. The weatherman uses this approach in predicting the odds of hurricanes, snow avalanches and torrential rain occurring.

There are two classes of random variables. The deterministic follows a certain pattern which can be easily analyzed. The pattern goes on and on for a couple of time frames. The non-deterministic random variables do not follow a certain pattern. They take a random walk through the system. Such could be said to have stochastic characteristics.

Events are categorized depending on size or the number of events under the study. For example when studying the rolling of dices only six events are taken into consideration. The study of populations may be taken larger samples so as to boost the accuracy of decisions. The law of large numbers is offer applied in the study of samples. The limit number theorem specifies the rules and regulation to be used.

Statistics laid the foundation of study of randomness. This branch of mathematics is critical to various groups of people though the statistics use it day in day out. They develop different samples of items which are used in the study of various elements of life. Quantitative analysis studies sets of numbers or data. This forms the foundations of complex number systems and set number theorem. This is extended into different disciplines such as physics, geographical statistics and analytical chemistry.

Variables can be classified as either discrete or continuous. This gives rise to discrete and continuous distributions. Continuous distribution is one which the set of values in it occur in a continuous way. Such sets cannot be aggregated. The discrete sets of data can only be aggregated during mathematical manipulations. Such figures often tend to be whole numbers or rounded off.

Mathematicians have different motivations depending on the field. The growth of the world economies has hugely relied on formulation of economic simulations. These take into consideration a set of figures collected over a specified number of years. This is then used to develop scenario of studying how the economies behave over time. Simulation is also used in various fields such as analytical physics and chemistry.

The fundamentals of probability theory play a very important role in our lives. It is used day in day out in making of various decisions. Before such decisions are made, the odds have to be weighed against each other depending on the available data. This extends to the gambling abilities which are founded on the stochastic processes.




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