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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
The lengths of life Y for a type of fuse has an exponential distribution with a density function given by
a If two such fuses have independent life lengths Y1 and Y2, find their joint probability density function.
b One fuse from part (a) is in a primary system, and the other is in a backup system that comes into use only if the primary system fails. The total effective life length of the two fuses, therefore, is Y1 + Y2. Find P(Y1 + Y2 ≤ a), where a > 0.
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