Objective reality and probability

BACKGROUND:
In discussing the role of causation in science, it is necessary to rely on logically consistent
(mathematical-scientific) methods.
MATERIAL AND METHODS:
The most basic methods of statistics and probability theory were used.
RESULTS:
The probability of an event is determined by the variance of an event and the expectation value
of an event.
CONCLUSION:
Probability and causation does not exclude each other.