2-63. A lot contains 15 castings from a local supplier and 25 castings from a supplier
Chapter 2, Problem 2-63(choose chapter or problem)
2-63. A lot contains 15 castings from a local supplier and 25 castings from a supplier in the next state. Two castings are selected randomly, without replacement, from the lot of 40. Let A be the event that the first casting selected is from the local supplier, and let B denote the event that the second casting is selected from the local supplier. Determine
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