Problem 73 of 7
Use conditional probability to test independence from P(A)=0.40 and P(A|B)=0.40.
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compare P(A|B) to P(A).
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Compare a conditional probability to the matching marginal probability.
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Solution
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1. Identify the conditional probability and its target event.
2. Find the matching marginal probability of the same target event.
3. Compare the values and conclude.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Comparing P(A|B) to P(B).