A survey of a sample of 5 new cars being tested showed that each car was tested for one of...
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A survey of a sample of 5 new cars being tested showed that each car was tested for one of the three popular options — air conditioning, radio, and power windows — but was never asked to present.
The survey found 3 had air conditioning, 2 had air conditioning and power windows but no radios, 12 had radio, 6 had air conditioning and radio, but no power windows, 4 had radio and power windows, 3 had all three options.
What is the number of cars that had one of the options?
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Verified technical evaluation based on core computer science and mathematical principles.
Step-by-step Derivation:
Step 1: Parse problem constraints.
Step 2: Compute verified solution.
Step 3: Select matching option.