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Q.

A man is known to speak the truth 3 out of 4 times. He throws a die and reports that it is a six. The probability that it is actually 6 is

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a

18

b

28

c

38

d

58

answer is C.

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Detailed Solution

P(truth)=34     P(gets  6)=16 P(False)=14   P(not gets 6)=56           =34.1634.16+14.56           =38(by Bayes' theorem)
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