Examples
Investigate whether a coin is fair by tossing it 1,000 times and comparing the percentage of heads to the theoretical probability 0.5.Clarifications
Clarification 1: Instruction includes representing probability as a fraction, percentage or decimal.Clarification 2: Instruction includes recognizing that experimental probabilities may differ from theoretical probabilities due to random variation. As the number of repetitions increases experimental probabilities will typically better approximate the theoretical probabilities.
Clarification 3: Experiments include tossing a fair coin, rolling a fair die, picking a card randomly from a deck, picking marbles randomly from a bag and spinning a fair spinner.
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Formative Assessments
Lesson Plans
Perspectives Video: Experts
Text Resource
Tutorials
MFAS Formative Assessments
Students are asked to determine the probability of a chance event and explain possible causes for the difference between the probability and observed frequencies.
Students are asked to estimate the probability of a chance event based on observed frequencies.
Students are asked to determine probabilities based on observed outcomes and to determine if the outcomes appear to be equally likely.
Students are asked to determine probabilities based on observed outcomes and to determine if the outcomes appear to be equally likely.
Student Resources
Tutorials
This video compares theoretical and experimantal probabilities and sources of possible discrepancy.
Type: Tutorial
Watch the video as it predicts the number of times a spinner will land on a given outcome.
Type: Tutorial