W7.7

Front

W7.7

24 out of 32 students in a class is predicted to pass the maths exam.

What is the

probability of a learner in this class passing the exam?

Write your answer as a

fraction in its simplest form.

Back

hint:

nbr of successful outcomes/ nbr of outcomes

to simplify, divide the numerator and the denomibator by the same number. If you don't know where to start divide by 2 or 3 and see if you can simplify further.

Front

one more question:

What is the probability of a learner in this class failing the maths exam?

Back

Answers:

probability pass:

24/32

simplest form: 3/4

probability fail:

either 8/32

simply as 1/4

or 1 - 3/4 = 4/4 - 3/4 = 1/4