Problem 135 of 7
Find the missing probability using independence equation P(A)=m and P(B)=n.
Hints
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solve for marginal or joint probability.
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Use P(A and B)=P(A)P(B) only when independence is given or being enforced.
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Solution
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1. Write P(A and B)=P(A)P(B).
2. Substitute the known probabilities.
3. Solve for the missing probability.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Using union formula instead of product formula.