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A man is known to speak truth 3 out of 8 times. He throws a die and a number other than six comes up. Find the probability that he reports it is six.

Posted by Rashi Kamboj 6 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Sia ? 6 years, 6 months ago

P(man will speak the truth) = {tex}\frac {3 } { 8 }{/tex}
P(man will not speak the truth) = {tex}1 - \frac { 3 } { 8 } = \frac { 5 } { 8 }{/tex}
when a number other than 6 comes up the probability of man’s reporting it is a six is-
the probability of man not speaking the truth ={tex}\frac { 5 } { 8 }{/tex}

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CBSE > Class 10 > Mathematics