Probability Likelihood, Relative Frequency

The likelihood that something probably won't happen

• Impossible

• Likely

• Unlikely

• As likely as not

An event that is affected by previous events

• Likely

• As likely as not

• Independent event

• Dependent event

What is the probability of spinning an even number?

• 16 2/3%

• 33 1/3%

• 50%

• 75%

What is the probability of spinning red?

• 0

• 5/12

• 1/2

• 3/4

What is the probability you will choose either a black or white marble?

• 3/5

• 9/100

• 1/10

• 2/5

A bag has 3 red marbles, 2 blue and 4 green and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/9

• 1/9

• 1/3

Use the tree diagram to find the probability of tossing a head first and then a tail when a coin is tossed twice.

• 1

• 1/2

• 1/4

• 1/3

What is the P( not purple) on this spinner?

• 2/5

• 1/5

• 4/5

• 3/5

What is the probability of spinning green?

• 0

• 1/4

• 1/2

• 3/4

What is the probability of spinning green or blue?

• 0

• 5/12

• 1/2

• 3/4