# 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.

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Work out the following.
When necessary, give your answer in fractions eg. 2/5

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.

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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