Probability Review

How many ways are there to grab two markers to use out of a bin containing seven markers?

• 13

• 21

• 38

• 41

What is the sample space for rolling a dice?

• {1, 2, 3}

• 1-6

• {1, 2, 3, 4, 5, 6}

• 6

Are the outcomes for rolling a dice equally likely?

• Yes

• No

What is the sample space for the spinner shown?

• colors

• {red, green, blue}

• 3

• {red}

Are the outcomes on this spinner equally likely?

• Yes

• No

Estimate the probability of getting the outcome "red" on this spinner

• 1/2

• 1/3

• 1/4

• 1/5

License plates in Oregon are made up of 2 letters followed by 3 numbers.

How many possible license plates are there if repetition is allowed?

• 575,000

• 676,000

• 718,000

• 812,000

License plates in Oregon are made up of 2 letters followed by 3 numbers.

How many possible license plates are there if repetition is NOT allowed?

• 112,000

• 230,000

• 317,000

• 468,000

License plates in Oregon are made up of 2 letters followed by 3 numbers.

How many possible license plates are there that start with the letter B? (CAN repeat)

• 24,000

• 25,000

• 26,000

• 27,000

License plates in Oregon are made up of 2 letters followed by 3 numbers.

How many possible license plates are there that start with either A or C if repetition is NOT allowed?

• 36,000

• 37,000

• 38,000

• 39,000