\( A \) speaks truth in \( 75 \% \) cases and \( B \) in \( 80 \% \) cases.
What is the probabil.... VIDEO
\( A \) speaks truth in \( 75 \% \) cases and \( B \) in \( 80 \% \) cases.
\( \mathrm{P} \)
What is the probability that they contradict each other in stating the same fact?
(1) \( \frac{7}{20} \)
(2) \( \frac{13}{20} \)
(3) \( \frac{3}{20} \)
(4) \( \frac{1}{5} \)
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