The probability that A speaks truth is `(4)/(5)` while this probability for B is `(3)/(4)`.The probability that they contradict
(A) `(4)/(5)` (B) `(1)/(5)` (C) `(7)/(20)` (D) `(3)/(20)`

The probability that A speaks truth is (4)/(5) , while this probability for B is (3)/(4) . The probability that they contradict each other when asked to speak on a fact is

The probability that A speaks truth is 5/6 , while this probability for B is 4/5 .The probability that they contradict each other when asked to speak on a fact is ___

In a series of 3 independent triais the probability of exactly 2 success is 12 xx as image as the probability of 3 successes.The probability of a success in each trial is: (A) (1)/(5) (B) (2)/(5) (C) (3)/(5) (D) (4)/(5)

Probability that A speaks truth is 4/5 . A coin is tossed. A reports that a head appears. The probability that actually there was head is (A) 4/5 (B)1/2 (C) 1/5 (D) 2/5

Probability that A speaks truth is 3/5 , and that for B is 7/10 . If they agree on a statement, then probability that this statement is true is

A man speak truth 3 out of 4 xx.He throws a die and reports that is is a six.Find the probability that it is actually six.(A) (3)/(8) (B) (5)/(8) (C) (7)/(8) (D) (1)/(12)

A coin is tossed 7 xx.The probability of getting odd number of heads is (A) (7)/(128) (B) (5)/(128)( C) (1)/(2)( D ) (3)/(4)

Probability that A speaks truth is 4/5 . A coin is tossed and A reports that a tail appears. Find the probability that actually there was tail.

In Q. No. 115, the probability that the digit is even, is 4/9 (b) 5/9 (c) 1/9 (d) 2/3