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14 November, 13:27

Let event A=subject is telling the truth and event B=polygraph test indicates that the subject is lying. Use your own words to translate the notation Upper P left parenthesis B|A right parenthesisP (B|A) into a verbal statement. Choose the correct option below.

A. The probability that the polygraph indicates lying given that the subject is actually telling the truth.

B. The probability that the polygraph indicates lying given that the subject is actually lying.

C. The probability that the polygraph indicates truthfulness given that the subject is actually lying.

D. The probability that the

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  1. 14 November, 16:55
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    Option A) The probability that the polygraph indicates lying given that the subject is actually telling the truth.

    Step-by-step explanation:

    We are given the following in the question:

    Event A: subject is telling the truth.

    Event B: polygraph test indicates that the subject is lying.

    We have to write the interpretation for probability P (B|A).

    Interpretation:

    This is the conditional probability for happening of event B when A has already occurred.

    Thus this is the probability that polygraph test indicates that the subject is lying, given that subject is telling the truth

    Thus, the correct answer is

    Option A) The probability that the polygraph indicates lying given that the subject is actually telling the truth.
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