Problem 172 of 7
Correct the conditional-probability error: When calculating P(E|F), a student uses P(E) in the numerator instead of P(E and F).
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
catch reversed condition, wrong denominator, and independence confusion.
Hidden until you reveal it.
Correction must address condition reversal, wrong denominator, or independence confusion.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify target event and condition.
2. State the correct conditional probability formula.
3. Explain how the student's setup should change.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Only providing a new decimal without explaining the error.