Find probability selected item came from shipment one

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Walmart recieves 2 shipments. Shipment 1 contains 30 women's slacks & 15 men's slacks. Shipment 2 contains 35 ladies slacks & 10 men's slacks. One shipment is chosen at random and a pair of slacks randomly selected. It is a pair of women's slacks. What is ithe probability it came from shipment 1?

Reference no: EM13145324

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