Question 1114165: A manufacturer of lie detectors is testing its newest design. It asks 500 subjects to lie deliberately and another 600 to tell the truth. Of those who lied, the lie detector caught 200. Of those who told the truth, the lie detector accused 200 of lying. What is the relative frequency of the machine wrongly letting a liar go? Show your work please.
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! A manufacturer of lie detectors is testing its newest design. It asks 500 subjects to lie deliberately and another 600 to tell the truth. Of those who lied, the lie detector caught 200. Of those who told the truth, the lie detector accused 200 of lying. What is the relative frequency of the machine wrongly letting a liar go? Show your work please.
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# tested:: 1100
# wrongly letting a liar go:: 500-200 = 300
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Ans:: relative frequency = 300/1100 = 3/11 = 0.273 = 27.3%
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Cheers,
Stan H.
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