Question

There are two balls in an urn. Each ball can be either white or black. If a white ball is put into the urn and there after a ball is drawn at random from the urn, then the probability that it is white is(a) $\frac{1}{4}$(b) $\frac{2}{3}$(c) $\frac{1}{5}$(d) $\frac{1}{3}$

Answer 1

Answer:b)2/3

Step-by-step explanation:

b) is the answer because the balls existingcan be white and black. When we put a white ball the no of balls in the urn is 2 , total no is 3 .

So probability is 2/3.

Hopes it helps

Mark brainiest if so

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