Moment Generating Functions

Free SOA Exam P (Probability) lesson in Univariate Random Variables. 11 min read, ~1,639 words.

MGF definition:, must exist in a neighborhood of. k-th moment:, differentiate k times, evaluate at zero. Uniqueness: if for all near 0, then and have the same distribution. Sum of independents:. MGFs multiply. Linear transform:.

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