Let the random variable X have the pdf f(x) = e-ª for 0 < x < ∞, and 0 elsewhere. Compute the probability that the random interval (X, 3X) includes the point x = 3. What is the expected value of the length of the interval?

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Let the random variable X have the pdf f(x)
Compute the probability that the random interval (X, 3X) includes the point x =
the expected value of the length of the interval?
= e-* for 0 < x < ∞, and 0 elsewhere.
=3. What is
Transcribed Image Text:Let the random variable X have the pdf f(x) Compute the probability that the random interval (X, 3X) includes the point x = the expected value of the length of the interval? = e-* for 0 < x < ∞, and 0 elsewhere. =3. What is
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