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Question: consider writing onto a computer disk and then sending it...

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Consider writing onto a computer disk and then sending it through a certifier that counts the number of missing pulses. Suppose this number X has a Poisson distribution with parameter μ = 0.4. (Round your answers to three decimal places.)

(a) What is the probability that a disk has exactly one missing pulse?


(b) What is the probability that a disk has at least two missing pulses?


(c) If two disks are independently selected, what is the probability that neither contains a missing pulse?

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