Probability, Random Variables, PDFs, and CDFs

Free SOA Exam P (Probability) lesson in Univariate Random Variables. 14 min read, ~2,136 words.

CDF:. Survival:. Know which one the question asks. Continuous:, probabilities come from integrating the density. PDF CDF: integrate density to get CDF, differentiate CDF to get density. Unknown constant: integrate density over support, set equal to 1. Exponential:, appears on virtually every sitting.

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