Problem 136 of 7
Identify whether the events are exhaustive: A=an integer is positive, B=an integer is negative, and C=an integer is zero.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
determine if union covers sample space.
Hidden until you reveal it.
Exhaustive means the union covers the whole sample space.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Find what outcomes are covered by the union.
2. Compare the union to the sample space.
3. State whether every outcome is covered.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Confusing exhaustive with mutually exclusive; events can be one, both, or neither depending on context.