A design committee must select at least two of the following seven features to offer on a newly designed car. The features are: airbags, CD player, heated seats, navigation system, performance tires, roof rack, and sunroof. The designers must select features using the following requirements:
If a sunroof is offered with the car, then heated seats cannot be offered. If the car is offered with a navigation system and a CD player, then a roof rack cannot also be offered. If the car is offered with a CD player, then it must also be offered with an airbag. If the car is not offered with performance tires, then it must be offered with a roof rack. SOLUTION: At least 2 out of 7 ACHNPRS 1. Never SH. 2. Never NCR. 3. C -> A ~A -> ~C 4. P/T or PT, must be in. 8. If Performance tires [p] are selected for the car, what is the maximum number of additional features that could be selected? (A) two (B) three (C) four (D) five (E) six A C H N (P) R S Rule 1 + rule 2 => only 5 max. HOWEVER, the right answer choice is (C) because the question asks for ADDITIONAL FEATURES THAT COULD BE SELECTED--excluding p--. You have to make sure to answer the question in the form it is asking you to do.
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AuthorVitali Kremez Archives
October 2015
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