Beginning Probability

What is the probability of pulling a blue marble?

Place each word on the probability scale

d

e

c

b

a

Certain

Likely

Impossible

As likely as not

Unlikely

Match each event with its likelihood

• Picking a face card from a deck of cards.

• As likely as not

• Rolling a number less than 7 on a die.

• Unlikely

• A pig flying.

• Likely

• A sum greater than 4 when rolling 2 dice.

• impossible

• Getting heads on a coin toss.

• Certain

What is the likelihood of pulling a blue marble?

• certain

• impossible

• as likely as not

• likely

• unlikely

What is the probability that you will get mushrooms on your pizza?

• 2_/10

• 2

• 2_/5

A die is rolled once.  What is the probability of rolling a number less than 3? (Hint: Simplify your probability)

• 1/3

• 2/6

• 3/6

• 1/6

The bar graph shows the results of spinning the spinner 200 times. What is the experimental probability of landing on a 3?

• 
• 
• 
• 

If an event can occur with a probability of 21/23, then we can say that it ...

• will always occurr

• cannot occur

• is less likely to occur

• is likely to occur

If an event can occur with a probability of 3/8, we can say that it...

• will always occur

• cannot occur

• is less likely to occur

• is likely to occur

What is the likelihood of selecting a rose colored crayon?

• unlikely

• as likely as not likely

• likely

• certain