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Answer:

Never

Step-by-step explanation:

Probability of an event can't be negative.

Probability helps us to know the chances of an event occurring. The theoretical probability of an event is never a negative number.

What is Probability?

Probability helps us to know the chances of an event occurring.

[tex]\rm Probability=\dfrac{Desired\ Outcomes}{Total\ Number\ of\ outcomes\ possible}[/tex]

The given statement can be completed as shown below.
The theoretical probability of an event is never a negative number.

This is because the probability of an event happening is always between 0 to 1, which is further converted to percentages by multiplying by 100.

Learn more about Probability:

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