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Science,English,and math Ⅱ

No.157　18/03/10 09:15
燻し銀三 ( 50代 ♂ Oe38xe ) あ+あ-

【An average in relation to earnings and loss.】

《If thinking over the value which we hope when gambling,it means that we’ll always be lose.》

As to the last description,it’s halfway,but I don’t feel like expressing myself in English any more,for I did it about three weeks ago,so it's destroyed my interest,so I’m going to start a new chapter.

When buying a lottery ticket,or gambling in casino,we tend to know whether how much it is profitable for us,or how much it’s advantageous for us.

Not only when gambling,but when being forced to choose something serious in our job,if we can get information on how much we can get profit from it,we can choose it easily. The concept responds what we hope something probitable responds,we call it a expected value.

When planning various strategies,the expected value shows us how much we’ll gain profit quantitatively. For example,the principle of insurance is based on the concept of the expected value. I’m going to think over an example concretely.