A jar contains five red balls, numbered to , and eight white balls, numbered to . A ball is chosen at random from the jar. Find the probability of each event.
|(a)||The ball is red.|
|(b)||The ball is even numbered.|
|(c)||The ball is red or even-numbered|
The probability of getting a red ball.
The probability of event is given by,
Numbers of balls in a jar are . Number of red balls are . Number of white balls are
The probability of getting an even numbered ball.
The probability of getting a red ball or an even numbered ball.
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