Need help with probability. The life span in hours of an electrical component is a random variable with cumu-lative distribution function1 e-50, x>0F(x)=eleswhere(a) Determine its probability density function.(b) Determine the probability that the life span of such a component will exceed70 hours.

a) The probability density function is a derivative of a Cumulative Distribution function F(x). So…

Answered: The life span in hours of an electrical…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 36E

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The life span in hours of an electrical component is a random variable with cumu- lative distribution function 1 e-50, x>0 F(x) = eleswhere (a) Determine its probability density function. (b) Determine the probability that the life span of such a component will exceed 70 hours.