Let X be a random variable. Suppose X ? Exp(0.5). The area under
the pdf of...
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Let X be a random variable. Suppose X ? Exp(0.5). The area underthe pdf of the Exp(0.5) distribution above the interval [0, 2] is0.6321. What is the value of the cumulative distribution functionFX of X at x = 2?
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P(X < 2) = 0.6321
F(2) = P(X < 2) = 0.6321 (ans)
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