Problem 152 of 7
Correct the independence-test error: A student uses the overlap count as P(A) without dividing by total.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
catch wrong denominator, confusing union/joint, and mutual-exclusive mistakes.
Hidden until you reveal it.
Correction must address denominator, union/joint confusion, or mutual-exclusivity misconception.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify which probability or denominator was misused.
2. Write the correct independence test.
3. Redo the comparison or state the corrected reasoning.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Only changing final conclusion without fixing the calculation setup.