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Question
The following is the p.d.f. of continuous r.v.
f (x) = `x/8` , for 0 < x < 4 and = 0 otherwise.
Find F(x) at x = 0·5 , 1.7 and 5
Solution
F(0.5) =`F(1/2) = (1/2)^2/16 = 1/64`
F(1.7) = `(1.7)^2/16 = 2.89/16 = 0.18`
f (x) = `x/8` , for 0 < x < 4 and 5 > 4
∴ F(5) = 1.
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