2. A printer ink cartridge has a life of X hours. The variable X is modeled by the probabi density function f(x) = 400x-2 x > 400 otherwise Calculate a) median lifetime of these cartridges b) value of b such that P(X < b) = 0.6

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section2.4: Average Rate Of Change Of A Function
Problem 4.2E: bThe average rate of change of the linear function f(x)=3x+5 between any two points is ________.
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2. A printer ink cartridge has a life of X hours. The variable X is modeled by the probabil:
S 400x-2
x > 400
density function f(x) =
%3D
otherwise
Calculate
a) median lifetime of these cartridges
b) value of b such that P(X < b) = 0.6
Transcribed Image Text:2. A printer ink cartridge has a life of X hours. The variable X is modeled by the probabil: S 400x-2 x > 400 density function f(x) = %3D otherwise Calculate a) median lifetime of these cartridges b) value of b such that P(X < b) = 0.6
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