Skill 10 Probability VIDEO (RED1)

How many outcomes are there in total?

• 8

• 4

• 2

• 1

Where do you write the individual probabilities?

• Wherever you want

• Below the tree

• On the branches of the tree

• At the end of the tree branches

What do you do with the probabilities along the branches to get the probability of the outcome?

• Add them

• Subtract them

• Divide them

• Multiply them

How do you add fractions with the same denominator?

• You can't.

• Add the numerators.

• Add the numerators and denominators.

• Multiply them.

What two probabilities do we multiply to find out the probability of Luke failing both tests?

• 0.8 x 0.7

• 0.2 x 0.2

• 0.2 x 0.7

• 0.2 x 0.3

What is the probability of rolling a 5?

• 5/5

• 5/6

• 1/6

• 1/5