haynerek5258 haynerek5258

22-02-2024
Mathematics

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X is an exponential random variable with a mean of 4 and Y is a Rayleigh variable of second moment 8. Obtain the following
(a). var(2x-3)
(b). E(exp(-3x))
(c). E(2Y²+5)
(d). var(4-Y)

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