Basic concepts of probability theory
The video explains what a trial and a random event are, a complete group of events and an elementary outcome, and what mutually exclusive and equally probable events are. And, of course, what the probability of an event's occurrence is.
-----------------
SpecClass offers free video lessons and online webinars to help you study, prepare for the State Final Attestation (GIA) and Unified State Exam (USE), and pass your exams. Video lessons are no more than 5 minutes long, allowing you to understand the solution to complex problems or grasp the theory. All that's left to do is solve your own problem by analogy!
----------------
Any questions? Leave them in the comments wherever convenient!
All lessons in order - http://specclass.ru/
Send your questions about the solutions - http://vk.com/specclass
Follow new videos - / specclass