School Improvement in Maryland
Sample Item Scoring Information Return

Standard 5.0 Knowledge of Probability

Topic A. Sample Space

Indicator 1. Identify a sample space

Objective a. Determine the number of outcomes

Selected Response (SR) Item

Paloma flips a coin and then spins the arrow on the spinner.

U.S. penny spinner with sections numbered 1 through 5

What is the total number of outcomes for this event?

  1. 7
  2. 10
  3. 15
  4. 25

Correct Answer
B. 10

Answer Annotation

  1. 7    (adds number of events)
  2. 10   (correct answer)
  3. 15   (multiplies three times five)
  4. 25   (squares number of outcomes on spinner)
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