Probability Review

What is the sample space when rolling a regular number cube?

• 1

• 2, 4, 6

• 1, 2, 3, 4, 5, 6

• 6

What is the probability of landing on the color blue on the spinner?

• 3/3
• 1/12

• 3/12 or 1/4
• 3/9 or 1/3

What is the probability of the spinner landing on red?

• 5/12
• 7/12

• 5/5
• 5/10 or 1/2

A bag has 3 red marbles, 2 blue and 4 green and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/9

• 1/10

• 1/9

A bag has 3 red marbles, 2 blue and 4 green and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/9

• 1/10

• 1/9

Joseph rolled a number cube 50 times. The table shows the cumulative results of each roll. What is the relative frequency of rolling a 4? Select all that apply.

• 0.18

• 67.7%

• 18%

Mrs. Trevino has 3 red pens, 5 pink pens, and 8 blue pens. What is the probability that she will choose a blue pen to grade papers?

• 1/2

• 8

• 3/16

• 16/8

Nerissa has 5 pink bows, 1 blue bow, and 4 purple bows in a box. She will randomly choose 1 bow from the box.

What is the probability Nerissa will choose a purple bow?

• 1/2

• 2/5

• 1/10

• 3/5

Jazlyn has 4 quarters, 10 dimes, and 3 nickels in her wallet. What is the likelihood of her choosing a penny?

• certain

• likely

• unlikely

• impossible

How likely is it that summer will come?

• Certain

• Likely

• Unlikely

• Impossible

• Equally likely