Question

A bag contains 4 balls.Two balls are drawn at random and found to be white.find the probability that all balls are are white.

Answer 1

probability= favourable outcome
total outcome
=2/4=1/2

Answer 2

$<font size="7">SOLUTION</font>$



$probability = \frac{no.of \: favourable \: outcomes}{no.of \: possible \: outcomes}$



$probablity = \frac{2}{4} \\ \\ = \frac{1}{2}$



$<font size="6">There fore the probability of getting White ball is 1/2 </font>$



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