In this lesson, we will learn how to find the probability of complementary events.

Students will be able to

Q1:

If the probability that a student passes in mathematics is 0.7, what is the probability that the student fails?

Q2:

If the probability of an event occurring is 1336, what is the probability that it does not occur?

Q3:

A box contains 56 balls. The probability of selecting at random a red ball is 57. How many balls in the box are not red?

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