Probability Reading Tree Diagrams

What is the probability that the dessert is not brownies or does not have peanut butter in it?

• 0.99

• 0.42

• 0.95

• 0.64

Knowing that the dessert has peanut butter in it, what is the probability that it's brownies?

• 1.58

• 0.58

• 0.02

• 0.98

Given that there was no peanut butter, what is the probability that they were not brownies?

• 0.88

• 0.58

• 0.05

• 0.12

What is the probability that the dessert is brownies, knowing that the dessert has peanut butter?

• 0.98

• 0.02

• 0.58

• 1.58

The tree diagram shows the outcomes of rolling a die and flipping a coin.  
What is the probability of rolling a number higher than 3 and flipping a tails?

• ¹/₁₂

• ²/₁₂

• ³/₁₂

• ⁴/₁₂

The tree diagram shows the outcomes of rolling a die and flipping a coin.  
What is the probability of rolling a less than 6 and flipping a head?

• ²/₁₂

• ³/₁₂

• ⁴/₁₂

• ⁵/₁₂

The tree diagram shows the outcomes of rolling a die and flipping a coin.  
What is the probability of rolling an even number and flipping a head?

• ³/₁₂

• ¹/₂

• ⁴/₁₂

• ⁰/₁₂

The tree diagram shows the outcomes of rolling a die and flipping a coin.  
What is the probability of rolling any number and flipping a head?

• ¹/₂

• ¹/₁₂

• ⁷/₁₂

• ¹²/₁₂

There are 8 counters in a bag, 1 is red.

I take one counter, replace it, then take another.

What is the probability of taking counters of the same colour?

• ¹⁴/₆₄

• ¹/₆₄

• ⁵⁰/₆₄

• ⁴⁹/₆₄

There are 8 counters in a bag, 1 is red.

I take one counter, replace it, then take another.

What is the probability of taking a red counter on the first go?

• ¹/₈

• ⁷/₈

• ¹/₇

• ⁶/₇