The time until a chemical reaction is complete (in milliseconds) has the density function-x/100f(x) =for x > 0.100a) Determine the mean and variance of X.b) P(X > 200).

Given: f(x)=e-x/100100 for x≥0

Answered: The time until a chemical reaction is…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter4: Polynomial And Rational Functions

Section4.6: Variation

Problem 2E

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The time until a chemical reaction is complete (in milliseconds) has the density function -x/100 f(x) = for x 2 0. 100 a) Determine the mean and variance of X. b) P(X > 200).