A bag contains 30 balls,of which 10 are red,5 | vedclass

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(B) Let $E$ be the event of drawing a coloured ball (red or blue).Total number of balls = $30$.Number of red balls = $10$.Number of blue balls = $5$.N

Vedclass · Accepted Answer

$1/2$

Vedclass · Answer

(B) Let $E$ be the event of drawing a coloured ball (red or blue).Total number of balls = $30$.Number of red balls = $10$.Number of blue balls = $5$.Number of coloured balls (red or blue) = $10 + 5 = 15$.The probability $P(E)$ of drawing a coloured ball is given by the ratio of the number of favourable outcomes to the total number of outcomes.$P(E) = \frac{	ext{Number of coloured balls}}{	ext{Total number of balls}} = \frac{15}{30} = \frac{1}{2}$.

$A$ bag contains $30$ balls,of which $10$ are red,$5$ are blue,and $15$ are white. Find the probability of drawing a coloured ball at random.

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