# A box

A box contain 6 red balls, 5 blue and 4 white balls. Find the probability of drawing a) red ball b) non white ball

a =  0.4
b =  0.7333

### Step-by-step explanation:

$a=\frac{6}{6+5+4}=\frac{2}{5}=0.4$
$b=\frac{6+5}{6+5+4}=\frac{11}{15}=0.7333$

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