Bayes' theorem

Definition

Relates the probability of the occurrence of an event to the occurrence or non-occurrence of an associated event. For example, the probability of drawing an ace from a pack of cards is 0.077 (4 ÷ 52). If two cards are drawn at random, the probability of the second card being an ace depends on whether the first card is an ace or not: if it is, then the probability of the second card being an ace is 0.058 (3 ÷ 52); if not, the probability remains 0.077. Bayes' theorem provides a mathematical rule for revising an estimate or forecast in light of experience and observation. It differs from other methods of hypothesis testing in that it assigns 'after the fact' (posterior) probabilities to the hypotheses instead of just accepting or rejecting them. Named after its proponent, the UK mathematician Thomas Bayes (1702-1761) who researched probability and statistical inference.

Use 'Bayes' theorem' in a Sentence

With Bayes' theorem, we were able to judge the probability of an event happening and the probability of it not happening at the same time.

You may want to try to break down any new project using bayes' theorem to see if it has a good chance of success.

If you want to figure out if a project should be worth taking on use bayes' theorem to try and come up with its probability of success.

单词	Bayes' theorem
释义	Bayes' theorem Definition Relates the probability of the occurrence of an event to the occurrence or non-occurrence of an associated event. For example, the probability of drawing an ace from a pack of cards is 0.077 (4 ÷ 52). If two cards are drawn at random, the probability of the second card being an ace depends on whether the first card is an ace or not: if it is, then the probability of the second card being an ace is 0.058 (3 ÷ 52); if not, the probability remains 0.077. Bayes' theorem provides a mathematical rule for revising an estimate or forecast in light of experience and observation. It differs from other methods of hypothesis testing in that it assigns 'after the fact' (posterior) probabilities to the hypotheses instead of just accepting or rejecting them. Named after its proponent, the UK mathematician Thomas Bayes (1702-1761) who researched probability and statistical inference. Use 'Bayes' theorem' in a Sentence With Bayes' theorem, we were able to judge the probability of an event happening and the probability of it not happening at the same time. You may want to try to break down any new project using bayes' theorem to see if it has a good chance of success. If you want to figure out if a project should be worth taking on use bayes' theorem to try and come up with its probability of success.
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