red
green
blue
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©Ms. Garcia Math
Name:
ID:
Quiz:
Grade:
Probability of picking a marble from a bag.
?
A bag contains:
red marbles
green marbles
blue marbles
If a single marble is chosen at random from the bag, what is the
1)
Probability of choosing a red marble
P(R)=
2)
Probability of not choosing a red marble
P(not R)=
3)
Probability of choosing a green or a blue marble
P(G or B)=
4)
Probability of not choosing a blue marble
P(not B)=
5)
Probability of choosing a red or green marble
P(R or G)=