Question

A bag contains 5 red,4 white, 2 black and 3 orange marbles. of three marbles are drawn at random, what is the probability that at least one is white

Answer 1

total balls in the bag is 14.
number of white balls is 4.
the formula is
$\frac{number \: of \: white \:balls }{total \: number \: of \: balls}$
then the probability of getting atleast one white ball is
$\frac{4}{14}$
that is
$\frac{2}{7}$



The answer is 2/7.


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