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0 means there is no chance of something happening. You cannot have less than no chance of something happening. So a probability cannot be less than 0.

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โˆ™ 2017-02-20 13:28:35
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Probability

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Q: Why cannot a probability not be less than 0?
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Can a probability be more than 1 or less than 0?

No. A probability of 1 means something will definitely happen. There cannot be a greater certainty than that, so probability cannot be greater than 1. 0 means there is no chance of something happening. You cannot have less than no chance of something happening. So a probability cannot be less than 0.


Which is not a possible vaule for a probability?

Probability value can only be real number between 0 to 1, therefore, it cannot be greater than 1 or less than 0 or a complex number.


When probability is less then 0 what happen?

Probability can not be less than 0 or greater than 1. A probability of 0 means there is no possibility whatsoever of an event occurring. A probability of 1 means that the event is guaranteed to occur no matter what.


Why probability always lays 0 to 1?

0 represents that is will never happen. It means that there is no probability that it will happen. 1 represents that is is certain to happen. You cannot be more certain than definitely certain, and something cannot be less probable than not at all.


Why can't probability be less than 0?

Because probability is measured from zero to one, where zero means something cannot happen and one meaning it will definitely happen. This can also be looked at as there being a 0% chance or 100% chance of it happening. So obviously there can not be less of a chance than it definitely not happening, so it cannot be less than zero.


Can the value of probability be less than zero?

No. Probability must be between 0 and 1.


Can probability be less than 0?

No, it must be a number in the interval [0, 1].


Why the probability can never be 1 or less than 0?

Probability of 0 is impossible, and 1 is certain. So, probability must be between 0 and 1, inclusive.


Can the probability be more than 1 or less than 0?

No, all probabilities are given from a scale of 0 to 1. 0 represents 0% and 1 represents a 100% probability.


What can a probability number be larger than?

Larger or equal to 0 but less than or equal to 1


Are fractions and probability the same?

NO, but that is a great question since probability is often expressed as a fraction. Here is the difference. If P(x) is the probability that even x happens, this value must be between 0 and 1. So fractions such as 1/2 or 2/1112 are all fine. Many fractions, such as 4/3 cannot be a probability since they are greater than one. Similarly, -1/2 cannot be a probability value since it is less than 0/


Does something that can never happen have a probability of 0?

Yes, a probability of 0 is something that cannot happen.

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