Definition of conditional probability
: the probability that a given event will occur if it is certain that another event has taken place or will take place
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“Conditional probability.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/conditional%20probability. Accessed 21 May. 2022.
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Time Traveler for conditional probability
The first known use of conditional probability was in 1937
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