Page 161 - TB_6B

Activity 1 Probabilities

There are 3 red marbles, 2 blue marbles, and 4 yellow
marbles in a bag. Find the probability of pulling out a
yellow(Y) marble or a blue(B) marble from the bag.

P(B or Y) = P(B) P(Y) Find P(B) and P(Y).
Then add the probabilities.
= 2 4 = 2
9 9 3

1 . Find the probability of getting 2 . Find the probability of getting

each color after spinning the each outcome when picking a
board below. number card.

12345

6789

a. P(red or blue) a. P(multiple of 3)

b. P(blue or yellow) b. P(multiple of 4)

c. P(blue or green) c. P(multiple of 3 or multiple of 4)

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