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Probability Word Problem Worksheet and Solutions

Objective: I know how to solve probability word problems.

The following are more probability problems for you to practice.

Read the lesson on probability problems for more information and examples.

Work out the following.

1. In a class of 40 students, 8 are in the drama club and 12 are in the art club. If a student is selected at random, what is the probability that the selected student is:
a) in the drama club?

b) in the art club?

2. A bag contains 50 marbles, 28 red ones and 22 blue ones. A marble is picked at random from the bag. What is the probability of picking:
a) a red marble?

b) a blue marble?

c) a red marble after a blue marble had been picked first.

3. A two-digit number is written at random. Determine the probability that the number will be:
a) an odd number.

b) larger than 75.

c) a multiple of 5.

d) an even number smaller than 40.

4. In a group of 30 students, there are 14 girls and 4 of them can speak French. 6 of the 16 boys can speak French. If a student is selected randomly from the group, find the probability that the selected student:
a) can speak French.

b) is a boy.

c) is a girl who can speak French.




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