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f(x) = 3x^2 on 0 < x < 1. Find P(X < 1/2).
A1/4
B3/8
C1/8
D1/2
Answer & Solution
Correct answer: C. 1/8
The integral of 3x^2 from 0 to 1/2 is (1/2)^3 = 1/8.
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