What do statisticians want to prove when they flip a coin ten thousand times?

From the mechanical point of view, the pros and cons of coins can be controlled by adjusting their initial speed and position. After all, coins are not quantum. Some of those mathematicians have "discovered the law" in thousands of throws, and the direction of each throw is the same as the direction of landing. After all, the "initial orientation" is also "random", so he is willing to find a way to make the upward probability close to 1/2, which satisfies his intuition and everyone's intuition. After several weeks of repeated training, you can bet with others to win money. Liu, a writer of Three-body, wrote a novel called Turtledove. There is a man who practices gambling with others for a living (although that man is not normal). He can see the speed of coins to predict, and he may want to throw right and wrong. Even if the cream cake with uniform texture falls to the ground, with the repeated experiments and efforts of several students, the solution is given, "make the table three meters high", so that the floor is not afraid of cream staining.

Because the speed is not easy to control, the experiment can change the height. Take a random number table and randomly take out multiple heights, and the scale should not be too small (don't use nanometers) or too big (otherwise, you will go to the leaning tower of Pisa to do experiments, and the money will not be found when you fall). Then, after the coin is vertical to the ground, let it go as much as possible, and the coin will do free fall with an initial velocity of 0. Calculate the probability of coin inversion by counting the throwing results. The result should not be 1/2, and the texture of the coin is uneven. This method can detect whether an object is uniform (although it is too troublesome, I don't recommend it). Of course, if you want to show off in front of others, or win a bet, you can experiment repeatedly at several heights to find the best position with your head up and tail up.