Question

Try and PlA210/= 1,102) = U. While type UI LIRITTI 1-34 A company sells high fidelity amplifiers capable of generating 10, 25, and 50 W of audio power. It has on hand 100 of the 10-W units, of which 15% are defcctive, 70 of the 25-W units with 10% defective, and 30 of the 50-W units with 10% defective. (a) What is the probability that an amplifier sold from the 10-W units is defective? (b) If each wattage amplifier sells with cqual likelihood, what is the probabil- ity of a randomly selected unit being 50 W and defective? (c) What is the probability that a unit randomly selected for sale is defective? -! all., launched if two relax and both have