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Problem 9 - Entrance Test
A continuous random variable X has pdf f(x)=2x on [0,1]. Find P(X ≤ 0.5).
A. 0.25
B. 0.5
C. 0.75
D. 1
Check Answer
Show Solution
Correct: A
Integrate pdf: ∫0^0.5 2x dx = [x^2]_0^0.5 = 0.25.