Simple Probability Word

What is the probability of rolling 15 with a pair of dice?

• impossible

• unlikely

• equally likely

• likely

Is it more likely or less likely to pull a red marble than a green marble?

• more likely

• less likely

A set of all possible outcomes of one or more events. Ex. {1,2,3,4,5,&6}

• Independent Events

• Outcome

• Probability

• Sample Space

Earl is asked to choose a day of a week. What is the probability of choosing a day which starts with S?

• 1/7

• 2/7

• 3/7

• 1

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

• 5/6

• 1/2

• 1/3

• 1/6

The probability of it raining today is 30%.  What is the compliment of this event?

• 30% chance of rain

• 70% chance of no rain

• 100% rain is certain

• 0% rain is impossible

Probability values are between ____________________.

• 0 and -1

• 0 and 1

• 1 and 100

• 0.5 and 1

An event with a probability of impossible would be...

• 0

• 1/2

• 2/3

• 1

An event with a probability of certain would be...

• 0

• 1/2

• 2/3

• 1

An event with a probability of equally likely as unlikely would be...

• 0

• 1/2

• 2/3

• 1