A new model car from Ford Motor Company offers a keyless entry system that utilizes a four-letter code. How many different possible combinations are there for the code?
What will be an ideal response?
Question 2
A company has 2 machines that produce widgets. An older machine produces 23 defective widgets, while the new machine produces only 8 defective widgets. In addition, the new machine produces 3 times as many widgets as the older machine does. Given a randomly chosen widget was tested and found to be defective, what is the probability it was produced by the new machine?
A) 0.489 B) 0.15 C) 0.511 D) 0.08
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