School Improvement in Maryland
Sample Item Scoring Information Return

Standard 5.0 Knowledge of Probability

Topic B. Theoretical Probability

Indicator 2. Determine the probability of a second event that is dependent on a first event of equally likely outcomes

Objective a. Express the probability as a fraction, a decimal, or a percent

Student Produced Response (SPR) Item

Douglas has a box with 49 paper clips. Of the paper clips, 15 are yellow, 9 are red, 6 are blue, 11 are orange, and 8 are green. Douglas randomly picks 2 paper clips from the box. If the first paper clip is red, what is the probability that the second paper clip is blue?

blank SPR form

Correct Answer
6/48

Answer Annotation

Answer:

SPR form with 6/48 at left

or

SPR form with 6/48

Note: The answer could also be represented as or 1 / 8, .125, or any other equivalent number.
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