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Question is in the attachment: A traveler gets lost N w PoisUL) times on a long journey. When lost, the traveler asks someone for directions

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A traveler gets lost N w PoisUL) times on a long journey. When lost, the traveler asks someone for directions with probability p. Let X be the number of tim that the traveler is lost and asks for directions, and Y be the number of times that the traveler is lost and does not ask for directions. (a) Find the joint PMF of N , X, Y. Are they independent? (b) Find the joint PMIE' of N , X. Are they independent? {13) Find the joint PM of X, Y. Are they independent

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