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# Probability based upon an event that has already occured?

Updated: 12/10/2022

Wiki User

11y ago

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If the event has already happened, then the probability is 100%.

Wiki User

11y ago
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Q: Probability based upon an event that has already occured?
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### What is a probability based upon an event that has already occurred?

The probability based on an event that has already occurred is 100%. If the event has occurred, it has occurred.

### What should occur in a probability experiment?

An event, unless it already had been occured and the experiment tries to resolve posterior probabilities on the event

### What is a probability based on an event that has already occurred?

100% it already happened

### A probability based upon an event that has already occurred?

May - or may not - be a conditional probability. A conditional probability is not becessarily chronologically structured.

### What do I call a probability that is based upon an event that has already occurred?

It can be called a "conditional probability", but the word "conditional" is irrelevant if the two events are independent.

### The likelihood of an event occurring?

The likelihood of an event occurring is known as the probability of occurrence. This can be calculated based on previous patterns and other factors.

### What is the probability of an event b that impossible?

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 based upon an event that has all ready ocured?

this is called a a posteriori probability. based on some evidence, you are trying to estimate the likelyhood of the hypothesis.

### What is it called when you calculate the probability of an event without doing any experiments?

When you calculate the probability of an event without doing any experiments, it is called theoretical probability. It is based on mathematical calculations using known information and assumptions about the event.

### What is the probablity of an event that is impossible?

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.

### How do you find the probability of the complement of an event?

The probability of the complement of an event, i.e. of the event not happening, is 1 minus the probability of the event.

### What does it mean to find the compliment of the probability of an event?

The complement (not compliment) of the probability of event A is 1 minus the probability of A: that is, it is the probability of A not happening or "not-A" happening.The complement (not compliment) of the probability of event A is 1 minus the probability of A: that is, it is the probability of A not happening or "not-A" happening.The complement (not compliment) of the probability of event A is 1 minus the probability of A: that is, it is the probability of A not happening or "not-A" happening.The complement (not compliment) of the probability of event A is 1 minus the probability of A: that is, it is the probability of A not happening or "not-A" happening.