Problem 147 of 7
Interpret conditional probability from Venn diagram data overlap 10, B only 8, total A 30.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
restrict denominator to condition region.
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Denominator is the full region of the given condition.
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Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify the condition event from the notation.
2. Add all Venn regions inside the condition event.
3. Divide the overlap by the condition total.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Dividing by the total sample space for a conditional probability.