Problem 64 of 7
Find the joint count from conditional probability and condition count: P(A|B)=c and B count is b.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
multiply conditional rate by condition total.
Hidden until you reveal it.
Multiply conditional rate by the condition count.
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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 group count.
2. Convert conditional probability to a multiplier.
3. Multiply to get the count in both events.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Multiplying by the full sample total unless that is the condition count.