b) A survey on a sample of 25 new cars being sold at a local dealer was
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Question:
b) A survey on a sample of 25 new cars being sold at a local dealer was conducted to see which of the three options - air conditioning, radio and power windows - were already installed. The survey found:
15 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
11 had power windows
4 had radio and power windows
3 had all three options
Required:
i. What is the number of cars that had none of the options?
ii. Find the number of cars that had air conditioning and radio only. [5 marks]
Related Book For
College Algebra Graphs and Models
ISBN: 978-0321845405
5th edition
Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna
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