According to a survey by a telecommunications company, the probability of a call not being connected is 5%, and the probability density function of the call time when the call is connected is ƒ(x) = }e(−¹/5)x · I(0,∞) · (I(0,∞) (x) = 1 if 0 < x and I(0,∞) (x) = 0 otherwise.) (1) The random variable X denotes the call time. Find the distribution function of X. (2) Using (1), find the moment generating function of X.
According to a survey by a telecommunications company, the probability of a call not being connected is 5%, and the probability density function of the call time when the call is connected is ƒ(x) = }e(−¹/5)x · I(0,∞) · (I(0,∞) (x) = 1 if 0 < x and I(0,∞) (x) = 0 otherwise.) (1) The random variable X denotes the call time. Find the distribution function of X. (2) Using (1), find the moment generating function of X.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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