uppose that X has a negative exponential distribution with parameter a. t Pr(X s 1) - Pr(X > 1), find var(X).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.4: Logarithmic Functions
Problem 55E
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Suppose that X has a negative exponential distribution with parameter a.
If Pr(X s 1) = Pr(X > 1), find var(X).
Transcribed Image Text:Questions Suppose that X has a negative exponential distribution with parameter a. If Pr(X s 1) = Pr(X > 1), find var(X).
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