A bag contains 3 white and 7 red balls. If a | vedclass

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(D) Total number of balls in the bag = $3$ (white) + $7$ (red) = $10$ balls.Let $E$ be the event of drawing a ball that is either white or red.Since a

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$\frac{10}{10}$

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(D) Total number of balls in the bag = $3$ (white) + $7$ (red) = $10$ balls.Let $E$ be the event of drawing a ball that is either white or red.Since all balls in the bag are either white or red,this is a certain event.The number of favorable outcomes = $3 + 7 = 10$.The total number of possible outcomes = $10$.Probability $P(E) = \frac{	ext{Number of favorable outcomes}}{	ext{Total number of possible outcomes}} = \frac{10}{10} = 1$.

$A$ bag contains $3$ white and $7$ red balls. If a ball is drawn at random,what is the probability that the drawn ball is either white or red?

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