truth and false probability

2 Answers

1
Avinav Prakash ·

ANS IS B

29
govind ·

Yes avinav is ryt..they will contadict wen one speaks the truth and other does not..
so using bayes theorem
P = (3/4 * 1/5 + 1/4* 4/5) /(3/4*1/5 + 1/4 * 4/5 + 3/4*4/5 + 1/5 *1/4)
= 7/20

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