Use the method of natural frequencies to find the indicated probability.Some employers use lie detector tests to screen job applicants. Lie detector tests are not completely reliable. Suppose that in a lie detector test, 67% of lies are identified as lies and that 13% of true statements are also identified as lies.A company gives its job applicants a polygraph test, asking "Did you tell the truth on your job application?". Suppose that 89% of the job applicants tell the truth during the polygraph test. What is the probability that a person who fails the test was actually telling the truth?
A. 0.13
B. 0.611
C. 0.389
D. 0.637
Answer: B
You might also like to view...
Solve the problem.The system of equations 
= (-2 + 3y)x and 
= (-2 + x)y describes the growth rates of two symbiotic (dependent) species of animals (such as the rhinoceros and a type of bird which eats insects from its back). What happens to the rhinoceros population when the bird population decreases?
A. The rhinoceros population could either increase or decrease. B. The rhinoceros population stays the same. C. The rhinoceros population decreases. D. The rhinoceros population increases.
Divide.(-15x3 - 34x2 - 21x - 10) ÷ (3x + 5)
A. -5x2 - 3x - 2 B. -5x2 - 2 C. x2 + 3x + 2 D. x2 - 3x - 2
Decide whether or not the ordered pair is a solution of the system.(3, 3)2x = -3 - y3x = -3 - 2y
A. No B. Yes
Multiply and simplify.
A. -30
B. 18
C. -18
D. 30