Let X be a continuous random variable with values between A = 1 and B = ,

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Let X be a continuous random variable with values between A = 1 and B = ∞, and with the density function f (x) = 4x-5.

(a) Verify that f (x) is a probability density function for x ≥ 1.

(b) Find the corresponding cumulative distribution function F (x).

(c) Use F (x) to compute Pr (1 ≤ X ≤ 2) and Pr (2 ≤ X ).

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Calculus And Its Applications

ISBN: 9780134437774

14th Edition

Authors: Larry Goldstein, David Lay, David Schneider, Nakhle Asmar

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