The lifetime of a certain mobile can be represented by probability density function of a random variable Y and given by x >0 x< 0 %3D Find a. The probability that mobile will work for at least 18 months. b. The cumulative distribution function of Y.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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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The lifetime of a certain mobile can be represented by probability density function of a random
variable Y and given by
f) = {&y*e
x > 0
x< 0
y²e-y/4
Find
a. The probability that mobile will work for at least 18 months.
b. The cumulative distribution function of Y.
Transcribed Image Text:The lifetime of a certain mobile can be represented by probability density function of a random variable Y and given by f) = {&y*e x > 0 x< 0 y²e-y/4 Find a. The probability that mobile will work for at least 18 months. b. The cumulative distribution function of Y.
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