one outcome does not impact another
What is an independent event?
The concept of one outcome not impacting another is known as the principle of independence. In probability theory, independence refers to the absence of a causal relationship between two events, meaning that the occurrence of one event has no effect on the probability of the occurrence of the other event.
For example, if we flip a coin twice, the outcome of the first flip has no impact on the outcome of the second flip. Each flip is an independent event, and the probability of getting heads or tails on the second flip is still 50/50, regardless of what happened on the first flip.
Another example could be drawing two cards from a deck without replacement. If the first card drawn is a heart, the probability of drawing a heart on the second card is lower. However, if we replace the first card back into the deck, then the two draws become independent events that do not affect each other.
Overall, the principle of independence is important to understand, as many statistical models and probability calculations rely on this assumption in order to be accurate.
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