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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 more of a chance than it definitely happening, so it cannot be more than one.

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Q: Why can't a probability be greater than one?
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Why can't the probability be greater then one?

A probability of 1 means something will definitely happen. There cannot be a greater certainty than that, so probability cannot be greater than 1.


Why can't the probability of an event occurring be greater than 1?

If probability becomes greater than one, then the uncertainty coefficient fluctuates and results in a terminal case.


What is the probability of rolling a number less than 3 and greater than 4 with one roll of a number cube?

The probability is zero. No number can be less than 3 and greater than 4.


Can you have a probability greater than one?

No. Probability ranges from zero, meaning the event will not happen, to one, meaning the event will happen.


Can a joint probability have a value greater than 1?

A joint probability can have a value greater than one. It can only have a value larger than 1 over a region that measures less than 1.


If two dice are thrown what is the probability that at least one of them shows a number greater than 3?

This is the same as 1 minus the probability that neither of them are greater than three. This is 1, minus the probability of getting greater than three, squared. Rolling higher than three has a 1/2 probability, so: P(at least one greater than 3) = 1 - (1/2)2 = 1 - 1/4 = 3/4


Can odds be greater than one?

yes they can In terms of probability, one is taken to mean absolute certainty, something that must happen, equivalent to a 100% probability (100 out of 100 is equal to one). Hence, odds cannot be greater than one.


Find the probability of getting a number greater than 5 when a die is rolled one time?

The probability is 1/6.


What is croc in math?

probably that less than greater than stuff, still cant figure out which one is less than and which one is greater than.


What is the probability of rolling a number greater than 3 on one roll if a die?

It is 0.5


What is the probability of rolling a number greater than 3 on roll of a die?

One out of two


What is an event with a probability greater then 0 but less than half?

There are many such events. The probability of throwing a 1 or 2 on one roll of a die, for example.