A teacher categorized students by whether they regularly completed their homework (or not) and whether they passed the course (or not). The data are in the table below. Completed Homework Did not Complete Homework Total Passed the Course 24 29 Did not Pass the Course 13 19 Total 30 18 48
A teacher categorized students by whether they regularly completed their homework (or not) and whether they passed the course (or not). The data are in the table below. Completed Homework Did not Complete Homework Total Passed the Course 24 29 Did not Pass the Course 13 19 Total 30 18 48
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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
Transcribed Image Text:Contingency Tables and Probability: Homework and Passing a Course
A teacher categorized students by whether they regularly completed their homework (or not) and whether they passed
the course (or not). The data are in the table below.
Completed Homework
Did not Complete Homework
Total
Passed the Course
24
29
Did not Pass the Course
6
13
19
Total
30
18
48
A student from the class is randomly selected. Determine the following probabilites. Enter your results as percents
rounded to two decimal places.
What is the probability the randomly selected student passed the course and completed homework?
%
What is the probability the randomly selected student passed the course and didn't complete homework?
%
What is the probability the randomly selected student passed the course or completed the homework?
%
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