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Exam Questions Papers - Engineering

Q1:

Consider the probability density f(x) = ae-b|x| where x is a random variable whose allowable values range from x = - ∞ to x = + ∞. P(1 ≤ x ≤ 2)

A

B

C

D (e-b - e-2b)

ANS:C -

P(x) = ae-b|x|dx to get apply aebxdx + ae-bxdx, we get = .