Q: What is the probability of an event b that impossible?

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A probability event that is impossible is one that will not happen, i.e. its probability is zero.

An impossible event has a probability of 0 (or 0%).

From a probability standpoint this is not a true statement. Probability can be equal to zero for an event, indicating that it is impossible. The difference between 'impossible' and 'improbable' from a probability standpoint is that an impossible event has a probability of 0 while an improbable event has a very, very small probability.

The probability of event A occurring given event B has occurred is an example of conditional probability.

An event that zero, or no probability of occuring.

Related questions

The probability of an impossible event is 0.The probability of an impossible event is 0.The probability of an impossible event is 0.The probability of an impossible event is 0.

A probability event that is impossible is one that will not happen, i.e. its probability is zero.

An impossible event has a probability of 0 (or 0%).

an impossible event has a probability of 0, it will never occur a certain event has a probability of 1, it will always occur

The probability of an impossible event is 0 (zero).

From a probability standpoint this is not a true statement. Probability can be equal to zero for an event, indicating that it is impossible. The difference between 'impossible' and 'improbable' from a probability standpoint is that an impossible event has a probability of 0 while an improbable event has a very, very small probability.

The probability of event A occurring given event B has occurred is an example of conditional probability.

An event that zero, or no probability of occuring.

An impossible event, with probability 0.

Impossible

fraction or possible

If the event is truly impossible, it has a zero probability of occurring. The definition of impossible is "not able to occur, exist, or be done," so that means there's no chance of it happening.