An Automobile Manufacturer Obtains the Microprocessor Used to Regulate Fuel

question 87

Multiple Choice

An automobile manufacturer obtains the microprocessor used to regulate fuel consumption in its automobiles from three microelectronic firms: A, B, and C. The quality-control department of the company has determined that 2% of the microprocessors produced by firm A are defective, 1.5% of those produced by firm B are defective, and 3% of those produced by the firm C are defective. Firms A, B, and C supply 40%, 30%, and 30%, respectively, of the microprocessors used by the company. What is the probability that a randomly selected automobile manufactured by the company will have a defective microprocessor?

• A) 0.02850
• B) 0.01650
• C) 0.02150
• D) 0.02650
• E) 0.01350

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