Economics Dictionary of ArgumentsHome
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| Probability: Probability is a measure of how likely an event is to occur. It is expressed as a number between 0 and 1, where 0 represents impossibility and 1 represents certainty. See also Knowledge, Certainty, Likelihood, Chance, Probability theory, Probability distribution, Probability functions._____________Annotation: The above characterizations of concepts are neither definitions nor exhausting presentations of problems related to them. Instead, they are intended to give a short introduction to the contributions below. – Lexicon of Arguments. | |||
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Richard Feynman on Probability - Dictionary of Arguments
I 86 Def Probability//Feynman: of a particular result of an observation: our estimate of the most probable fraction of a number of repeated observations giving the particular result. I 87 P(A) = NA/N. (s) NA: desired N: all Probability/Feynman: absurd: e.g. what is the probability of a ghost in this house? There is no repetition here. N and NA are not numbers based on actual observations. NA is our best guess of what would happen. >Subjective probability, >Chance, >Conditional probability, cf. >Bayesianism, >Relative frequency. I.e. probability is dependent on our knowledge and common sense. Probabilities change as our knowledge changes. I 551 Probability/Feynman: of course, there is no probability that gas atoms will go in a certain direction, because a certain direction is too exact. Therefore, we must speak of a standard "size": As many molecules pass through any surface as through any other surface of equal size on the sphere. >Measurements, >Method, >Generalization, >Idealization._____________Explanation of symbols: Roman numerals indicate the source, arabic numerals indicate the page number. The corresponding books are indicated on the right hand side. ((s)…): Comment by the sender of the contribution. Translations: Dictionary of Arguments The note [Concept/Author], [Author1]Vs[Author2] or [Author]Vs[term] resp. "problem:"/"solution:", "old:"/"new:" and "thesis:" is an addition from the Dictionary of Arguments. If a German edition is specified, the page numbers refer to this edition. |
Feynman I Richard Feynman The Feynman Lectures on Physics. Vol. I, Mainly Mechanics, Radiation, and Heat, California Institute of Technology 1963 German Edition: Vorlesungen über Physik I München 2001 Feynman II R. Feynman The Character of Physical Law, Cambridge, MA/London 1967 German Edition: Vom Wesen physikalischer Gesetze München 1993 |
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