きたいち
期待値
1. expected value; expectation value; expectationMathematics
2. Expected valueIn probability theory, the expected value (or expectation, or mathematical expectation, or mean, or the first moment) of a random variable is the weighted average of all possible values that this random variable can take on. The weights used in computing this average correspond to the probabilities in case of a discrete random variable, or densities in case of a continuous random variable.
Read “Expected value” on English Wikipedia
Read “期待値” on Japanese Wikipedia
Read “Expected value” on DBpedia
Read “Expected value” on English Wikipedia
Read “期待値” on Japanese Wikipedia
Read “Expected value” on DBpedia
Discussions
Log in to talk about this word.