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Suppose that X is an exponentially distributed random variable with λ=0.75. Find each of the following probabilities p(x>1)= p(x>.7)=...

Suppose that X is an exponentially distributed random variable with λ=0.75. Find each of the following probabilities
p(x>1)=
p(x>.7)=
p(x<.75)
p(.6<x<3.9)=

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