The expected return is 95, and is the sum of all red balls, excluding basketball, and is floating. Generally, 100 is taken as the standard, the sum is greater than 100, and the sum is smaller than 100. Like and basically between 90- 100, the highest frequency.

Notes on earnings expectation:

There are many mathematical models in the stock market and casinos, but please note that none of them can accurately predict the stock market. As the saying goes, 100 economists have10/0/theory, and each theory can only analyze the trend of the stock market afterwards and predict the stock market to some extent.

So no matter what strategy you adopt, you will lose. Here, we need to use the game theory developed by 20th century mathematicians von Neumann and john nash.