Читать книгу Applied Biostatistics for the Health Sciences - Richard J. Rossi - Страница 65

In some cases, the unconditional probability and the conditional probability will be the same. In this case, knowing that the event B occurred does not change the likelihood that the event A will occur. When the unconditional probability of an event A is the same as the conditional probability of the event A given the event B, the events A and B are said to be independent events.