■ A ball is drawn randomly from a jar that contains five red balls, two white balls, and one yellow ball. Find the probability of the given event.
(a) A red ball is drawn.
(b) The ball drawn is not yellow.
(c) A black ball is drawn.
The probability of the ball drawn from the jar to be red.
The jar has five red balls, two white balls, and one yellow ball and the event is that a red ball is drawn.
The number of combinations of distinct objects taken at a time is,
Let be the sample space of an experiment and let be an event. Then the probability of , denoted as, and given by,
There are total balls in the jar
The probability that there is no yellow ball drawn from the jar.
The probability of a black ball drawn from the jar.
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