2 events in which either one or the other must happen, the sum is 1 or 100%

• Random

• Complementary Events

• Theoretical Probability

• Experimental Probability

The set of all possible outcomes of a probability experiment

• Probability

• Equally Likely

• Simple Event

• Sample Space

Probability based on what should happen when conducting a probability experiment

• Theoretical Probability

• Random

• Compound Event

• Experimental Probobility

The chance that some event will occur

• Probability

• Sample Space

• Prediction

• Random

A party store recorded recent balloon sales. What is the experimental probability that the next balloon sold will be green? Write your answer as a reduced fraction.

• 105

• 501

• 510

• 150

Probability based on the outcomes during

an experiment

• Theoretical Probability

• Sample Space

• Experimental Probability

• Random

Which is an example of theoretical probability?

• The probability of rolling a 4 on a die is 1/6.

• I flipped a coin and it landed on tails 2/10 times.

Which is an example of experimental probability?

• The spinner landed on three 7 out of 10 times (7/10)

• The probability of landing on tails is 1/2.

A reasonable mathematical guess that something is about to happen

• Probability

• Compound Event

• Prediction

• Sample Space