Humanities Math 103 Probability Tree Diagrams Quiz #1

There are 10 counters in a bag, 3 red and 7 blue.

I take one counter, then another without replacement.

Find the probability of the value marked x

Tags

CCSS.7.SP.C.8B

There are 10 counters in a bag, 3 red and 7 blue.

I take one counter, then another without replacement.

Find the probability of the value marked y

Tags

CCSS.7.SP.C.8B

Two dice are rolled and it is recorded whether the result on each is odd or even. What is the probability that one is even and one is odd?

A bag contains 6 blue marbles and 7 red marbles. A student removes a marble from the bag, puts it back in, then removes another marble. Fill in the probabilities in the tree. ​

a

b

c

d

e

f

Tags

CCSS.7.SP.C.8B

Two dice are rolled and it is recorded whether the result on each is odd or even. What is the probability both are odd?

A store sells handbags in two colors: black and white. They are available in 2 different sizes: small and large. Which diagram shows every possible combination of the color and size of a bag that one can buy?

• Tree diagram 3

• Tree diagram 4

• Tree diagram 1

• Tree diagram 2

Tags

CCSS.7.SP.C.8B

A spinner has three numbers on it. It is spun two times. Use the tree diagram to find the probability of spinning the same number two times in a row.

• 1

Tags

CCSS.7.SP.C.8B

There are seven blue marbles and 3 red marbles in a bag. One marble is removed, then another, without replacement. What is the probability that both marbles are blue?

There are seven blue marbles and 3 red marbles in a bag. One marble is removed, then another, without replacement. Use the tree diagram to find the probability that at least one of the marbles is blue.

Tags

CCSS.7.SP.C.8B