To identify :The percent of those who pass the first test also pass the second test. A math teacher gives her class two tests, 60% of the class passes both tests and 80% of the class pass the first test.
• What conditional probability are you looking for
• How can a tree diagram help you solve this problem
The required percentage of student pass first and also second test is
Given information:
Math teacher gives her class students 2 tests. 60% of the class passes both tests and 80% of the class passes first test.
Explanation:
Consider the given information.
Determinethe pass percentages of students first test and also second test.
Probability of pass percentage of first and second test
The tree diagram for this problem
Therefore the required percentage of student pass first and also second test is
Chapter 11 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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