Intro to Probability

Determine whether the event is impossible, unlikely, as likely as not, likely or certain:

Rolling a number less than 7 on a standard number cube.

• Impossible

• Unlikely

• As likely as not

• Likely

• Certain

Determine whether the event is impossible, unlikely, as likely as not, likely or certain:

Spinning a spinner that has 10 equal sections marked 1 through 10 and landing on an even number.

• Impossible

• Unlikely

• As likely as not

• Likely

• Certain

Determine whether the event is impossible, unlikely, as likely as not, likely or certain:

Randomly selecting a blue card from a standard deck of playing cards.

• Impossible

• Unlikely

• As likely as not

• Likely

• Certain

Determine whether the event is impossible, unlikely, as likely as not, likely or certain:

Writing every letter of the alphabet on a piece of paper and randomly selecting an "x".

• Impossible

• Unlikely

• As likely as not

• Likely

• Certain

Tell whether the probability is 0, close to 0, ½, close to 1, or 1.

Rolling a 7 on a standard number cube.

• 0

• close to 0

• ½

• close to 1

• 1

Tell whether the probability is 0, close to 0, ½, close to 1, or 1.

Spinning a spinner that has 20 equal sections marked 1 through 20 and landing on a number greater than 1.

• 0

• close to 0

• ½

• close to 1

• 1

Tell whether the probability is 0, close to 0, ½, close to 1, or 1.

Randomly picking a 3 of diamonds from a standard deck of playing cards.

• 0

• close to 0

• ½

• close to 1

• 1

Tell whether the probability is 0, close to 0, ½, close to 1, or 1.

Randomly picking a red card from a standard deck of playing cards.

• 0

• close to 0

• ½

• close to 1

• 1

Find the probability. Write your answer in simplest form.

What is the probability of picking a club from a standard deck of playing cards,

which has 13 cards in each of the four suits: hearts, diamonds, spades, and clubs?

Find the probability. Write your answer in simplest form.

What is the probability of spinning a spinner that has 7 equal sections marked 1 through 7 and landing on an odd number?