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Tree Diagrams: Probability Worksheet

Explore probability using tree diagrams to visualize and calculate outcomes of sequential events.

Grade 7 Math Probability and StatisticsTree Diagrams
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Includes

2 Short AnswerMultiple ChoiceFill in the BlanksTrue / False

Standards

CCSS.MATH.CONTENT.7.SP.C.8.B

Topics

mathprobabilitytree diagramsgrade 7
7 sections · Free to use · Printable
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Tree Diagrams: Probability Worksheet

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Read each question carefully and use tree diagrams to determine the probabilities of different outcomes. Show all your work.

1. A coin is tossed twice. Draw a tree diagram to show all possible outcomes. What is the probability of getting two heads?

2. You have 2 shirts (red, blue) and 3 pairs of pants (jeans, khakis, shorts). How many different outfits can you make? Use a tree diagram to help visualize the combinations.

a

3 outfits

b

5 outfits

c

6 outfits

d

9 outfits

3. A spinner has 3 equal sections: Red, Blue, Green. If you spin it twice, the total number of possible outcomes is  . The probability of spinning Red then Green is  .

4. If you roll a standard six-sided die twice, there are 36 possible outcomes.

T

True

F

False

5. A bag contains 2 red marbles and 1 blue marble. You pick a marble, put it back, and then pick another marble. Draw a tree diagram to show all possible outcomes. What is the probability of picking two red marbles?