Probability Problems

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

• 3/10
• 3/9
• 1/9
• 1/3

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

Mrs. Moreno has a box containing 6 lipsticks, 4 eye shadows, 6 eye liners, and 5 mascaras. If she randomly chooses one item from the box, what is the probability that she will grab a lipstick?

• 3/7
• 15/21
• 5/7
• 6/21

A student will be chosen from a certain group. There are 9 girls and 8 boys in that group. What is the probability that the chosen student is boy?

• 9/17

• 8/17

• 8/9

• 17/72

In John's closet, there are 3 pairs of blue socks, 5 pairs of green and 2 pairs of white socks. If John is going to pick a pair of socks, what is the probability that John will get a pair of white socks?

• 1/5

• 3/10

• 1/2

• 4/5

Grade 10 class teacher picks a random student in class. If there are 15 males and 22 females in the class, what is the probability that a female student will be picked?

• 15/37

• 15/22

• 22/37

• 10/37

Irene and Ian are playing rock-paper-scissors game. What is the probability that Irene will win the first round?

• 1

• 1/3

• 2/3

• 1/6

Based on the chart, what is the experimental probability of pulling a green marble?

• 1/8
• 8/25
• 8/100
• 7/8

Is it certain or impossible for the spinner to land on orange?

• imposssible
• certain

Is it likely, less likely, certain or impossible to select a red marble from a box of 12 red marbles?

• likely
• less likely
• certain
• impossible