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John has been accused of murder and the police have found DNA evidence at the scene. The probability of a DNA match given that a person is innocent is 1/100,000. The probability of a DNA match given that a person is guilty is 1. John lives in a city where there are 100,000 people who could have...

Let X; Y be two random variables with the following joint distribution（in the attachment）: (a) Compute p(X) and p(Y ) (b) Compute p(X|Y = 1) (c) compute p(Y = 1|X = 1) using (a) and (b) (d) Are X and Y statistically independent? Show all your working. [b]This is my answer, but I don't know...