Reflection: Intervention and Extension Compound Probability - Section 4: Closing

 

This Homework assignment was very confusing to students. Once I explained how the chart works the next day however, I realized how powerful a strategy it can be to understanding why we multiply to find probabilities of compound events.

So this year I decided to spend my extra time showing students additional examples of this chart to find the total number of outcomes possible in compound experiments. I also wanted to students to consider why the charts would look different given different types of events. Thus, I created the worksheet attached. By going through all the different outcomes, students began to understand the probability of compound events. We were also able to discuss how each event in the first problem, (coin, die) has an equivalent probability (1/12), whereas some of sums derived from the table in #2 repeated (i.e. sum of 3: 1/8) and thus had a higher probability of occurring than those which did not repeat (i.e sum of 2: 1/24).  

  Intervention and Extension: Additional Examples
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Compound Probability

Unit 7: Statistics and Probability
Lesson 11 of 11

Objective: SWBAT identify the sample space of compound events by listing samples in a table

Big Idea: students work in groups and pairs to explore compound probability, focusing on identifying sample space

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