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An event that will definitely happen is an event with 100% probability.

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Q: An event that will definitely happen is an event with what percent probability?
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Related questions

What is the event if the probability will equal 1?

It is the probability of an event that will definitely happen.


Which event is more likely an even with a probability of 0.95 or an event with a probability of 0.10?

Probabilities go from 0 to 1. 1 means the event will definitely happen. 0 means it's impossible for it to happen. 0.5 means it's just as likely to happen as not. Once you are aware of this scale, it is clear that an event with probability 0.95 is more likely to happen than an event with probability 0.10.


Can -1.5 be the probability of an event?

No. The probability of an event ranges from 0 (the event will not happen) to 1 (the event will happen).


What is a probability of 0 which means the event has to happen?

If the probability of an event is zero then that event cannot happen


What is the probability that an event will definitely occur?

If the event will definitely occur, then its probability is 1.Not asked, but answered for completeness sake - if the event will definitely not occur, then its probability is 0. All probabilities lie between 0 and 1, inclusive.


If an event is certain to happen which number represents its probability?

The probability of an event that is certain to happen is 1.


What is the probability that the event will not happen if the probability of an event is 75 percent?

let event is X so P(X)=75%=0.75 probabilty that event will not happen P(X')=1-P(X) P(X')=1-0.75 P(X')=0.25 so probabilty that event will not happen is 0.25


If the probability that an event will happen is .25 or 25 percent what is the probability that it will not happen?

The total probability of something happening plus the probability of that same thing not happening is 1, or 100 % → probability of not happening = 1 - 0.25 = 0.75 or 100 % - 25 % = 75 %


What does likely mean in math?

Likely means the same as probable and probable refers to the probability that something might happen, Probability is measured using a scale of probability from zero to one. Zero means that the event will definitely not happen whereas a probability of 1 means that the event is certain to happen, Similarly a probability of 0.5 means that the event is just as likely not to happen as to happen. What is the probability that you could swim the Atlantic unaided? Zero What is the probability that a bird will die? One What is the probability that I can throw a 1 with a dice? 1 out of 6 = 0.1666666....... What is the probability that I can toss a "heads" with a coin? 50% = 0.5 = one half


What is the probability of an event not occurring if the probability of an event occurring is 20 percent?

80%


What is certain event in probability?

A certain event is any event that will definitely happen. For example, the sunrise tomorrow is something that is certain to happen (although it might be obscured from view by rain, snow, fog or something else); this will certainly happen.


What is the standard notation to represent the probability of an event?

It is on a scale of 1 to 0 of a probability that an event will happen or it will not happen