Problem 63 of 7
Use Venn diagram regions to compute an addition-rule probability from A only 0.1, overlap 0.05, B only 0.35.
Hints
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connect regions to formula terms.
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Use A-only, overlap, and B-only regions exactly once.
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Solution
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1. Identify A-only, overlap, and B-only regions.
2. Add the regions in A or B.
3. Divide by total if regions are counts.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Adding A total and B total without subtracting overlap.