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STA 112 lesson
Read probabilities from jumps
Use read probabilities from jumps to solve and interpret a specified problem.
Source note: flagged. Uncertain or incomplete source text was not invented.
STA112-T17-L02; Source: S17-18; T49-50, T74-77 | Course topic 6
P(a<X≤b)=F(b)-F(a). P(X=x)=F(x)-F(x-), where F(x-) is the left limit. Strict inequalities require care at points with positive probability. P(X≥a)=1-F(a-), whereas P(X>a)=1-F(a). Boundary conventions are part of a valid CDF, not optional typography.