Maths olympiad
Exam
Numerical Ability
Probability
A man is known to speak truth 3 out of 4 times. He throws a die & reports that it is a six. the probability that it actually six is.......?
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- the probability that he speaks truth is 3/4
and probability of a six is 1/6
so probability that it is actually a six=1/6*3/4=1/8 - 7 years agoHelpfull: Yes(1) No(0)
- 1/4
. - 9 years agoHelpfull: Yes(0) No(0)
- 1/8
3/4 ( speak truth probability)*1/6(die probability)= - 9 years agoHelpfull: Yes(0) No(0)
- 2/3
because of probality of exactly 6 is 1/6 and speak truth is 4c3,so 4c3*1//6. - 8 years agoHelpfull: Yes(0) No(0)
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