The probability that A speaks truth is 3/5 and that of B speaking truth is 4/7. What is the probability that they agree in stating the same fact?
Q1. The probability that A speaks truth is 3/5 and that of B speaking truth is 4/7. What is the probability that they agree in stating the same fact?
Answer: 18/35
Explanation: P(agree) = P(both true) + P(both false) = (3/5)(4/7) + (2/5)(3/7) = 12/35 + 6/35 = 18/35.