Question

If A speaks truth 75% and B speaks truth in 80% cases, then the probability of cases they are likely to contradict each other narrating the same incident is-

• A. 7/20
• B. 13/20
• C. 3/5
• D. 2/5

Answer 1

Answer: (A)

7/20

Answer 2

P(1) P($\overline { \mathrm { A } }$)= 0.75 (1 –.80) + 0.80 (1 –0.75)