A box contains 10 cards numbered 1 through 10. Which events are mutually exclusive?
1. A card is drawn from the box and the number is even.
A card is drawn from the box and the number is 8.

2. A card is drawn from the box and the number is odd.
A card is drawn from the box and the number is 7.

3. A card is drawn from the box and the number is even.
A card is drawn from the box and the number is 9.

4. A card is drawn from the box and the number is odd.
A card is drawn from the box and the number is 9.

Question

A box contains 10 cards numbered 1 through 10. Which events are mutually exclusive?
  1.     A card is drawn from the box and the number is even.
A card is drawn from the box and the number is 8.

 2.      A card is drawn from the box and the number is odd.
A card is drawn from the box and the number is 7.

    3.   A card is drawn from the box and the number is even.
A card is drawn from the box and the number is 9.

 4.      A card is drawn from the box and the number is odd.
A card is drawn from the box and the number is 9.

cwtan · Answer

two events are 'mutually exclusive' if they cannot occur at the same time

anonymous · Answer

3. Because the 9 - an odd number