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Q.1)
Negative Marks: 0.66
MCQ
Subject: Engineering Mathematic
Let X be the random variable of time to failure of a light bulb measured
from time t=0. Assume that X has pdf
(aer? t20
1.) - Love
0
ico
Where t is measured in hours, then the probability that bulb has failed
at t= 10 hours is,
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Shou Comments
-100
?
(1-2-100)
CG
e-10a (1+e-10)
e
C
Ite 100
1-e 10a
é


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