School Improvement in Maryland

Public Release Item
Selected Response Item for Grade 5

Standard 5.0 Knowledge of Probability

Topic A. Sample Space

Indicator 1. Identify possible outcomes

Objective a. Determine possible outcomes of independent events

Assessment limit: Use two independent events with no more than 4 outcomes each and an organized list or tree diagram

Rose makes key chains using different beads. For each key chain, she combines 1 moon bead or 1 star bead with 1 blue, 1 yellow, or 1 white bead. This tree diagram shows all the possible key chains Rose can make.



How many different key chains can Rose make by combining beads of 1 shape and 1 color?

  1. 2
  2. 3
  3. 6
  4. 8

Correct Answer
C. 6
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