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Question Two A mechanical part from a certain supplier is inspected for scratch and crack. The results are summarized as follows: Scratch Low High High 20 XX Crack Low 13 45 Let A denotes the event that a part has Low Crack, and let B denotes the event that a part has a High Scratch. Then, if a part is selected at random, determine the following (a) The probability the part will have High Crack and High Scratch (b) The probability that the part will have a High crack (c) Find (Z) = P(AU B)