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The following is the data of coin-toss experiments made by some mathematicians in history (1). According to the data in the table, what rules have you found?
The probability of (1) facing up is very close to 50%, which is 0.5.

(2) There are only two possibilities: positive and negative.

The probability of their appearance is infinitely close to 50%

(3) Let two people be X and Y, then as long as everyone puts in the same number of coins, and then according to the number of heads (or tails) with both sides facing up, the winner is OK!

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