Simple Events: Probability Worksheet
A Grade 7 math worksheet focusing on understanding and calculating probabilities of simple events.
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Simple Events: Probability Worksheet
Name:
Date:
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Read each question carefully and answer to the best of your ability. Show your work where applicable.
1. Probability is the measure of how likely an event is to .
2. The probability of an event can be expressed as a fraction, decimal, or .
3. An event with a probability of 0 is , and an event with a probability of 1 is .
4. What is the probability of rolling an even number on a standard six-sided die?
1/6
1/3
1/2
2/3
5. A bag contains 3 red marbles, 2 blue marbles, and 5 green marbles. What is the probability of picking a blue marble?
2/10
3/10
5/10
1/2
6. The probability of an event can be greater than 1.
True
False
7. If you flip a fair coin 10 times, you are guaranteed to get 5 heads and 5 tails.
True
False
8. Describe the difference between theoretical probability and experimental probability.
9. A spinner has 4 equal sections: red, blue, green, and yellow. What is the probability of the spinner landing on red? Express your answer as a fraction in simplest form.
10. You have a deck of 52 playing cards. What is the probability of drawing a heart? What is the probability of drawing a red card? Show your work.
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