# Question

A company buys components from two suppliers. One produces components that are of higher quality than the other. The high-quality supplier, call it Supplier A, has a defect rate of 2%. The low-quality supplier, Supplier B, has a defect rate of 10% but offers lower prices. This company buys in equal volume from both suppliers, with half of the orders going to each supplier.

(a) What is the probability that a component to be installed is defective?

(b) If a defective component is found, what is the probability it came from Supplier A?

(a) What is the probability that a component to be installed is defective?

(b) If a defective component is found, what is the probability it came from Supplier A?

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