Dictionary

probability

noun prob·a·bil·i·ty \ˌprä-bə-ˈbi-lə-tē\

: the chance that something will happen

: something that has a chance of happening

: a measure of how often a particular event will happen if something (such as tossing a coin) is done repeatedly

plural prob·a·bil·i·ties

Full Definition of PROBABILITY

1
:  the quality or state of being probable
2
:  something (as an event or circumstance) that is probable
3
a (1) :  the ratio of the number of outcomes in an exhaustive set of equally likely outcomes that produce a given event to the total number of possible outcomes (2) :  the chance that a given event will occur
b :  a branch of mathematics concerned with the study of probabilities
4
:  a logical relation between statements such that evidence confirming one confirms the other to some degree

Examples of PROBABILITY

1. There is a low probability that you will be chosen.
2. There is some probability of rain tomorrow.
3. With the dark clouds moving in, rain seems more like a probability than a possibility.
4. The probability of a coin coming up heads is one out of every two tries.

15th century

Other Mathematics and Statistics Terms

abscissa, denominator, divisor, equilateral, exponent, hypotenuse, logarithm, oblique, radii, rhomb

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