Problem 53 of 7
Compute the marginal probability from table data 27 people selected option A from a total of 90 participants.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
divide row/column total by grand total.
Hidden until you reveal it.
Marginal probability uses a row total or column total over the grand total.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify the single category requested.
2. Find its row or column total.
3. Divide by the grand total.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Using an interior cell when the question asks for one category overall.