The average residence time obtained from exit age distribution is ____ – McqOptions

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1.	The average residence time obtained from exit age distribution is ____
A.	= t<sup>2</sup> tC(t)dt
B.	= ( int_0^ )E(t)dt
C.	= ( frac{ tE(t)dt}{ E(t)dt} )
D.	= ( frac{ tC(t)dt}{ dt} )
Answer» C. = ( frac{ tE(t)dt}{ E(t)dt} )

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