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143. The lifetime of a light bulb has de..-阿摩線上測驗
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143. The lifetime of a light bulb has density function, f, where f(x) is proportional to
, 0<x<5 ,and 0, otherwise.
Calculate the mode of this distribution.
(A) 0.00
(B) 0.79
(C) 1.26
(D) 4.42
(E) 5.00