Statistics, Mathematics. .
(statistics) the sum or integral of all possible values of a random variable, or any given function of it, multiplied by the respective probabilities of the values of the variable. Symbol: E(X). E(X) is the mean of the distribution; E(X–c) = E(X)–c where c is a constant Also called mathematical expectation
[ik-spekt] /ɪkˈspɛkt/ verb (used with object) 1. to look forward to; regard as likely to happen; anticipate the occurrence or the coming of: I expect to read it. I expect him later. She expects that they will come. 2. to look for with reason or justification: We expect obedience. 3. Informal. to suppose or surmise; […]
[ik-spek-ter-uh nt] /ɪkˈspɛk tər ənt/ Medicine/Medical, Pharmacology adjective 1. promoting the discharge of phlegm or other fluid from the respiratory tract. noun 2. an expectorant medicine. /ɪkˈspɛktərənt/ adjective 1. promoting the secretion, liquefaction, or expulsion of sputum from the respiratory passages noun 2. an expectorant drug or agent n. 1782, from Latin expectorantem (nominative expectorans), […]
[ik-spek-tuh-reyt] /ɪkˈspɛk təˌreɪt/ verb (used without object), expectorated, expectorating. 1. to eject or expel matter, as phlegm, from the throat or lungs by coughing or hawking and spitting; spit. verb (used with object), expectorated, expectorating. 2. to eject or expel (matter) in this way. /ɪkˈspɛktəˌreɪt/ verb 1. to cough up and spit out (sputum from […]
[ik-spek-tuh-rey-shuh n] /ɪkˌspɛk təˈreɪ ʃən/ noun 1. the act of . 2. matter that is . n. 1670s, noun of action from expectorate.