Why Random Variable ?
- Cocise Summary of all Probabilities
- PDF is a model of random process
- Test Hypothesis with data
- Visualize and compute data in a much easier way
- Build functions on random variable
Random Variables
introduction
Random varibable is a key concept in statistics that connects theoretical probability with real-world data.
it is a function which converts our regular counting methods into generalized form so we can model the uncertinity
It maps uncertain events to numbers