Probability
- A random variable is a real-valued function whose domain is the sample space of a random experiment.
- The probability distribution of a random variable X is the system of numbers:
X: |
x_{1} |
x_{2} |
… |
x_{n} |
P(X): |
p_{1} |
p_{2} |
… |
p_{n} |
Where,
Here, the real numbers x_{1}, x_{2}, …, x_{n} are the possible values of the random variable X and p_{i} (i = 1, 2, …, n) is the probability of the random variable X taking the value of x_{i} i.e., P(X = x_{i}) = p_{i}
- Mean/expectation of a random variable: Let X…
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