Q3 of 32 Page 25

Define an event.

When we say "Events" we mean one (or more) outcomes or results of an experiment.


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1

Define a trial.

 2

Define an elementary event.

 4

Define probability of an event.

 5

A bag contains 4 white balls and some red balls. If the probability of drawing a white ball from the bag is , find the number of red balls in the bag.