Kizspy | Question: 25
(Choose 1 answer)
(See picture)
A. 1.25
B. 2.5
C. 3
D. 3.25
E. None of the other choices is correct
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The cumulative distribution function of the ran-
dom variable X is defined by
F(x)=
,x<0
1-e-4x/5
, x≥ 0.
What is the mean value of X?
