Curated OER
Valentine Marbles
if you've ever had to guess how many items were in a jar, then this problem is for you! With a big jar full of red and white marbles, does picking a sample of 16 allow your learners to get a good estimate on the percentages of each...
Curated OER
How Many?
Middle schoolers explore and design ways to collect data through simulations and random samples. They perform two experiments to determine the answers to various probability problems, and present the data/graphs in the form of a...
Curated OER
Random Samples and Surveys
In this random samples worksheet, students answer 4 questions, including a bonus, regarding surveys and confidence intervals.
Illustrative Mathematics
Illustrative Mathematics: S Ic Block Scheduling
A random sample of 100 students from a specific high school resulted in 45% of them favoring a plan to implement block scheduling. Is it plausible that a majority of the students in the school actually favor the block schedule? Students...
Illustrative Mathematics
Illustrative Mathematics: S Ic, S Id Musical Preferences
Students will use a data set to demonstrate that they know what it means for two variables to be associated. Explanations and solutions are provided.
CK-12 Foundation
Ck 12: Probability: Basic Counting Rules
[Free Registration/Login may be required to access all resource tools.] This Concept introduces students to the most basic counting rule: the multiplication rule. It also explains the probability of simple random samples.