A bag contains $4$ white, $5$ black and $6$ red balls. If a ball is drawn at random, then what is the probability that the drawn ball is either white or red
A bag contains $4$ white, $5$ black and $6$ red balls. If a ball is drawn at random, then what is the probability that the drawn ball is either white or red
- A
$\frac{4}{{15}}$
- B
$\frac{1}{2}$
- C
$\frac{2}{5}$
- D
$\frac{2}{3}$
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