Two-Way Tables and Odds

Read conditional probability, odds and independence straight out of a table of counts.

7 questions, free, marked as you go with a worked explanation on every one.

What this covers

Use the table. How many students are there altogether?
Use the table. A student is picked at random. What is the probability they passed?
Use the table. Given that a student studied, what is the probability they passed?
Use the table. What are the odds in favour of a randomly chosen student having studied?
Use the table. Which of these does the data support?
Use the table. What is the probability that a student both studied and failed?
Use the table. Are studying and passing independent events?