what is probability ....................... and it's type
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Answer:
The notion of "the probability of something" is one of those ideas, like "point" and "time," that we can't define exactly, but that are useful nonetheless. The following should give a good working understanding of the concept.
Four Perspectives on Probability
Four perspectives on probability are commonly used: Classical, Empirical, Subjective, and Axiomatic.
1. Classical (sometimes called "A priori" or "Theoretical")
This is the perspective on probability that most people first encounter in formal education (although they may encounter the subjective perspective in informal education).
2. Empirical (sometimes called "A posteriori" or "Frequentist")
This perspective defines probability via a thought experiment.
3. Subjective
Subjective probability is an individual person's measure of belief that an event will occur. With this view of probability, it makes perfectly good sense intuitively to talk about the probability that the Dow Jones average will go up tomorrow. You can quite rationally take your subjective view to agree with the classical or empirical views when they apply, so the subjective perspective can be taken as an expansion of these other views.
4. Axiomatic
This is a unifying perspective. The coherence conditions needed for subjective probability can be proved to hold for the classical and empirical definitions. The axiomatic perspective codifies these coherence conditions, so can be used with any of the above three perspectives.
Step-by-step explanation:
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Answer:
1. Theoretical probability: For theoretical reasons, we assume that all n possible outcomes of a particular experiment are equally likely, and we assign a probability of to each possible outcome. Example: The theoretical probability of rolling a 3 on a regular 6 sided die is 1/6.
Step-by-step explanation: