Understanding Probability

What is the range of values that probability can take?

• 0 to 100

• -1 to 1

• 0 to 1

• 1 to 10

What symbol is commonly used to represent probability?

• P

• M

• L

• R

What is the probability of rolling a 4 on a six-sided die?

• 1/2

• 1/3

• 1/6

• 1/4

How many outcomes are considered 'desired' when rolling an even number on a six-sided die?

• 3

• 2

• 6

• 4

What term describes an event with a probability of 0?

• Unlikely

• Impossible

• Likely

• Certain

What does a probability of 1/2 indicate?

• Certain

• Equally likely

• Unlikely

• Impossible

What is the likelihood of spinning a red on a spinner divided into 8 equal sections, 4 of which are red?

• Likely

• Equally likely

• Unlikely

• Impossible

How is the probability of drawing a green marble from a jar with 10 marbles, 2 of which are green, best described?

• Certain

• Likely

• Equally likely

• Unlikely

What is the probability of drawing either a blue or green marble from the same jar?

• 50%

• 20%

• 100%

• 70%

If a jar contains pink, green, and blue marbles, what is the likelihood of drawing a pink or green marble?

• Impossible

• Unlikely

• Likely

• Equally likely