Examlex
Solve the system by substitution. Substitute the expression in the second equation into the first equation and solve. If the system is dependent or inconsistent , or if there is no solution , indicate this.
Random Variable
A variable whose values come from the numerical outcomes of random events.
Discrete
Referring to a type of variable that can assume distinct and separate values, often countable in nature.
Probability Function
A probability function is a mathematical function that provides the probabilities of occurrence of different possible outcomes for an experiment.
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