Aset of cards has 20 cards with stars, 10 cards with squares, and 15 cards with circles. find the probability of each event when a card is chosen at random.
1. square
2. circle
3. star or circle
4. not circle or square
there are 14 girls and 18 boys in ms. wiley's class. ms. wiley randomly selects on student to solve a problem. find the probability of each event.
5. selecting a boy
6. selecting a girl