Question 1117092
.
The condition was written so inaccurately  that clearly showed that the person who wrote it  did not understand the meaning of what he wrote.


The correct formulation is &nbsp;&nbsp;<U>T H I S</U>:


<pre>
    Urn 1 has 2 white and 3 black balls; Urn 2 has 4 white and 1 black; Urn 3 has 3 white and 4 black. 
    A <U>ball</U> was selected to be white. Find the probability that the ball was selected from Urn 1.
</pre>


<U>Solution</U>


<pre>
In all, &nbsp;there are &nbsp;&nbsp;2 + 4 + 3 = 9 &nbsp;white balls.


Therefore,  the answer/(the probability under the question) is  {{{2/9}}}.
</pre>

Solved.