Q. 9 B5.0( 2 Votes )

Two coins are tossed once. Find P(A/B) in each of the following:

A=No tail appears, B=No head appears.

Answer :

When two coins are tossed, total outcomes are


{HH, HT, TH, TT} =4


A=No tail occurs = {HH} =1


Probability f A = P(A) =


B= No head occurs={TT} =1


Probability of B =P(B) =


(A B) = No tail and no head occurs = not possible =0


P (A B) =


Hence, =


= (answer)


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