Math Problem Statement
Use the sample data in the table.
Results from Experiments with Polygraph Instruments Did the Subject Actually Lie? No (Did Not Lie)
Yes (Lied)
Positive test result (Polygraph test indicated that the subject lied.)
15 (false positive)
42 (true positive)
Negative test result (Polygraph test indicated that the subject did not lie.)
32 (true negative)
9 (false negative) If four of the test subjects are randomly selected without replacement, find the probability that, in each case, the polygraph indicated that the subject lied.
Solution
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Math Problem Analysis
Mathematical Concepts
Probability
Combinatorics
Formulas
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Theorems
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Suitable Grade Level
Grades 10-12
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