Find the marginal pmf pn and the conditional pmf

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Random variables N and K have the joint PMF

Find the marginal PMF PN (n), the conditional PMF PK|N (k|n), and the conditional expected value E[K|N = n]. Express the random variable E[K|N] as a function of N and use the iterated expectation to find E[K]

Reference no: EM131084673

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