Probability Review

A bag has 3 red, 5 blue, and 2 yellow pieces of candy. What is the probability of drawing a blue piece of candy?

• 1/10
• 3/10
• 1/2
• 1/3

The faces of a fair 6-sided cube are numbered 1 through 6. The number cube is rolled. What is the probability it will land on a 2?

• 1/3
• 1/2
• 1/6
• 5/6

Which of the following describes experimental probability?

• Perform an experiment to determine the probability of an event
• Total number of trials in an experiment
• Number of possible favorable outcomes
• Use a formula to determine the probability of an event

The faces of a fair 6-sided cube are numbered 1 through 6. Based on theoretical probability, if a number cube is rolled 60 times, how many times should a 2 be rolled?

• 10
• 5
• 1
• 0

A standard coin has two sides. One side is heads and one side is tails. A coin is tossed 75 times. If the coin lands on heads 35 times, what is the experimental probability?

• 3/5
• 1/15
• 7/15
• 9/15

A standard six-sided number cube is rolled. What is the probability a 3 a 5 will land face up?

• 2/5
• 1/3
• 1/6
• 2/3

Several students conducted a simulation where a standard coin was tossed several times and the results were recorded in a table. Which table shows an experimental probability of landing on tails that is closest to the theoretical probability of landing on tails?

• A
• B
• C
• D

The following numbers cards are in a lottery box.
A number can be drawn at random from the lottery box. What is the probability of drawing a 10, 12, or 14?

• 3/20
• 1/20
• 3/5
• 1/10

The pieces of candy in Paul's bag of candy have the following colors:
• 40% red
• 30% blue
• 30% yellow
If Paul's friend selected a piece of candy at random today, what is the probability that he will select a red piece of candy?

• 1/10
• 1/5
• 2/5
• 3/10

This spinner has 8 sections of equal size.
The arrow of this spinner was spun 24 times and landed on the letter B four times. What is the experimental probability the arrow will land on the letter B?

• 1/6
• 1/2
• 1/8
• 1/24