Expectation
# Expectation

Expectation or Expectations may refer to:

## Science

* Expectation (epistemic)
* Expected value, in mathematical probability theory
* Expectation value (quantum mechanics)
* Expectation–maximization algorithm, in statistics

## Music

* Expectation (album), a 2013 album by Girl's Day
* Expectation, a 2006 album by Matt Harding
* Expectations (Keith Jarrett album), 1971
* Expectations (Dance Exponents album), 1985
* Expectations (Hayley Kiyoko album), 2018
   * "Expectations/Overture", a song from the album
* Expectations (Bebe Rexha album), 2018
* Expectations (Katie Pruitt album), 2020
   * "Expectations", a song from the album
* "Expectation" (waltz), a 1980 waltz composed by Ilya Herold Lavrentievich Kittler
* "Expectation" (song), a 2010 song by Tame Impala
* "Expectations" (song), a 2018 song by Lauren Jauregui
* "Expectations", a song by Three Days Grace from Transit of Venus, 2012
