Q. 295.0( 4 Votes )

A box contains 3 A.

B.

C.

D.

Answer :

Total numbers of elementary events are: 3 + 2 + 4 = 9


Let E be the event of not white ball drawn


Numbers of non-favourable outcomes = numbers of white ball drawn = 2


P (white ball) = 2/9


P (E) = 1- 2/9 = 7/9

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