1977 | OriginalPaper | Buchkapitel
Probability
verfasst von : A. M. Mathai, P. N. Rathie
Erschienen in: Probability and Statistics
Verlag: Palgrave Macmillan UK
Enthalten in: Professional Book Archive
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In day to day life we make statements such as, it is very likely that Miss Good will be elected beauty queen in the coming beauty contest, tomorrow will probably be a sunny day, drug x is more of ective than drug y in curing disease A, the chances are almost nil that a man will live for ever, and so on. In all these statements there is a lack of certainty. Statistics and especially the theory of Probability play a vital role in making decisions in situations where there is a lack of certainty. There are three basic problems in the theory of probability, namely, (1)to describe the situation or to specify the set on which probability statements are made;(2)to define a numerical measure for a probability statement; and;(3)to evaluate numerically the probabilities for particular events. Even though the palmists, astrologers and fortune-tellers of ancient India might have used a record of past events to predict the future, the recorded evidence of a systematic study of present day probability is that it is developed as a theory of games of chance in the 17th century when some ardent gamblers consulted mathematicians about dividing the stake money in cases of incomplete games.