The structure of expected value is: periodic (left and right structure) expected value (up and down structure) value (left and right structure).

The structure of expected value is: periodic (left and right structure) expected value (up and down structure) value (left and right structure). The part of speech is: noun. The phonetic notation is: ㄑㄨㄤㄓ. Pinyin is: q and w à ngzhí.

What is the specific explanation of expected value? We will introduce you through the following aspects:

I. Text Description Click here to view the details of the plan.

1. Hope for people or things. 2. In probability theory and statistics, expected value refers to the probability that each possible result is multiplied by the sum of its results in a discrete random variable experiment.

Second, the national language dictionary

Mathematically, the expected value of a random variable. That is, the weighted arithmetic average of all possible values of this random variable, but with the probability as the weight, if you roll a fair dice, you can get 1, 2, 3, 4, 5, 6, and the opportunities are equal, so the expected value is the word translation English (math)_expectedvalue German Gradderhoffung, Ertungswert (S, Math) _ French ESPé rance.

Third, the network interpretation

Expected value In probability theory and statistics, expected value (or mathematical expectation, or mean value, called expectation for short, in physics) refers to the probability that each possible result is multiplied by the sum of its results in a discrete random variable experiment. In other words, the expected value is the average of the equivalent "expectations" calculated by repeating the results of random experiments under the same opportunity. It should be noted that the expected value is not necessarily equal to the common sense "expectation"-"expected value" is not necessarily equal to every result. (In other words, the expected value is the average of the output values of variables. The expected value is not necessarily contained in the set of output values of variables. )

Idioms about expectation value

Ai Ai is not worth refuting, it is worthless. The month is worthless, worth millions.

Words about expectation value

Worthless, worthless, worthless, worthless, worthless, worthless, worthless, worthless, worthless, worthless.

Sentence-making about expected value

1, adhering to the concepts of "authentic licensed products" and "customer first", JD.COM customer service staff plays the role of optimization masters, constantly refreshing customers' expectations and achieving JD. The service of COM is faster and better in quality.

2. The results show that college students' salary expectations continue to decrease, but their favor for state-owned enterprises has greatly increased, and nearly a quarter of college students choose state-owned enterprises as their first choice for job hunting.

3. Am I satisfied with my financial manager? Satisfied, but my expectations are not high!

Thirteen dollars and fifty cents is a real number, and it is an expectation for us to exceed thirteen dollars and fifty cents. The greater the expectation, the greater the disappointment.

5, the river. Students of "Xiao Zhi Car", the official WeChat user, don't expect too much.

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