random - CDA6530 Performance Models of Computers and...

Info icon This preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
CDA6530: Performance Models of Computers and Networks Chapter 2: Review of Practical Random Variables
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
2 Definition Random variable (R.V.) X: A function on sample space X: S R Cumulative distribution function (CDF): Probability distribution function (PDF) Distribution function F X (x) = P(X<x) Probability density function (pdf): Used for continuous R.V. F X ( x ) = R x −∞ f X ( t ) dt f X ( x ) = dF X ( x ) dx
Image of page 2