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Arun and Arjun are 2 shifty witnesses in a court case. Arun tells the truth 75% of the time, and Arjun tells the truth 80% of the time.

If they were to narrate the same incident, what is the percentage probability that they will contradict each other?

 Jul 18, 2020
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Arun and Arjun are 2 shifty witnesses in a court case. Arun tells the truth 75% of the time, and Arjun tells the truth 80% of the time.

If they were to narrate the same incident, what is the percentage probability that they will contradict each other?

 

 

Prob = prob(Arun tells truth)*prob(Arjun lies) + prob(Arun lies)*prob(Arjun tells truth)

 

Prob = 0.75*0.2 + 0.25*0.8 = 0.35   or 35%

 Jul 18, 2020

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