5-6 Adding Probabilities
1. What does it mean for two events to be mutually exclusive? ____________________________________
_____________________________________
2. Which of the following two are mutually exclusive?
(circle the two)
3. If there is a 4. On my last test there were 4 A's, 5 B's, 2 C's,
and 2 D's. What is the
5. In a bag, I have 5 red, 10 blue, 2 green, 3 yellow, and 10 black marbles. A.) If drawn at random, what is the probability I will pull out a blue or red marble? __________ B.) If drawn at random, what is the probability I will pull out a green or yellow marble? __________ C.) If drawn at random, what
is the probability I will D.) If drawn at random, what
is the probability I will E.) If drawn at random, what is the probability I will pull out a purple marble? __________ F.) If drawn at random, what
is the probability I will 6. On a spinner, there is a 20% chance the spinner
will land on red, 40% chance it will land on green,
A.) What is the probability it will land on red or green? ___________ B.) What is the probability it will land on pink or green? ___________ C.) What is the probability it will land on black or red? ___________ D.) What is the probability
it will E.) What is the probability
it will |