The lifetime in hours of a transistor is a random variable having probability function given by f(x) = cxe*; x20 a) Find c. b) Compute the generating function of X. Hence, calculate E(X*) and write it as an expression of the MacLaurin series.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 68E
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The lifetime in hours of a transistor is a random variable having probability
function given by
f(x) = cxe¹; x20
a)
Find c.
b)
Compute the generating function of X. Hence, calculate E(X*) and write
it as an expression of the MacLaurin series.
Transcribed Image Text:The lifetime in hours of a transistor is a random variable having probability function given by f(x) = cxe¹; x20 a) Find c. b) Compute the generating function of X. Hence, calculate E(X*) and write it as an expression of the MacLaurin series.
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