School Improvement in Maryland

Sample Item
Selected Response Item for Grade 4

Standard 5.0 Knowledge of Probability

Topic B. Theoretical Probability

Indicator 1. Determine the probability of one simple event comprised of equally likely outcomes

Objective a. Express the probability as a fraction

Assessment limit: Use a sample space of no more than 6 outcomes

You have flipped a penny 10 times and it has landed on heads every time. When you flip the penny the next time, what are your chances of the penny landing on heads?

  1. 1/2
  2. 1/10
  3. 2/1
  4. 10/1

Correct Answer
A. 1/2
/toolkit/vsc/assessment_items/msa_math_4_015.xml