Q. 54.5( 4 Votes )

Suppose a girl th

Answer :

Given:


Let us assume D1, D2 and A be the events as follows:


D1 = Throwing die and getting 1 or 2


D2 = Throwing die and getting 3,4,5 or 6


A = getting exactly one tail






P(A|D1) = P(getting 1 tail on getting 1 or 2 from die)





P(A|D2) = P(Getting 1 tail on getting 3,4,5 or 6 from die)





Now we find


P(D2|A) = P(The tail we get here come after getting 3,4,5 or 6 from die)


Using Baye’s theorem:







The required probability is .


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