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Activity 2 Probability

Learn how to find the probability of an event.

Probability is the ratio of the number of favorable outcomes over the total
number of possible outcomes.

Probability number of favorable outcomes
total number of possible outcomes

Find the probability of pulling out a blue marble from the bag.

Probability of blue number of favorable outcomes
total number of possible outcomes

Probability of blue 2 blue 2
3 green, 2 blue, 2 red 7

1 . Find the probability of pulling out each marble from the bag. 2
5
a. Probability of pulling out a red marble 2
Probability of pulling out a blue marble 5
Probability of pulling out a yellow marble 1
5

b. Probability of pulling out a red marble
Probability of pulling out a blue marble
158 Probability of pulling out a yellow marble
Probability of pulling out a green marble