Probability Vocabulary Review

Which word describes a 99% probability?

• More Likely

• Less Likely

• Unlikely

• Rarely

Which word describes a 43% probability?

• Less Likely

• More Likely

• Equally Likely

• Highly Likely

What does a probability of 0% mean?

• The event is impossible and will not occur.

• The event is highly unlikely to occur.

• The event is certain to occur.

• The event has an equal chance of occurring or not occurring.

What is a sample space in probability?

• The set of all possible outcomes of a probability experiment.

• A collection of events that cannot occur simultaneously.

• The likelihood of a specific outcome occurring.

• The average of all possible outcomes in a probability experiment.

What does a probability of 100% mean?

• The event is uncertain and may not occur.

• The event is unlikely to occur.

• The event is certain and will definitely occur.

• The event has a chance of occurring but is not guaranteed.

What is the probability of drawing a heart from a standard deck of cards?

• 1/2

• 1/4

• 1/3

• 1/5

If two events are dependent, what does that mean?

• The occurrence of one event affects the probability of the other event.

• The two events are completely unrelated.

• The two events occur at the same time.

• The occurrence of one event guarantees the occurrence of the other.

What is the difference between independent and dependent events?

• Independent events are those that do not affect each other's probabilities, while dependent events do.

• Independent events are always more likely to occur than dependent events.

• Dependent events are those that do not affect each other's probabilities, while independent events do.

• Independent events can only occur in isolation, while dependent events can occur simultaneously.

What is the formula for calculating probability?

• Probability = (Number of favorable outcomes) / (Total number of possible outcomes)

• Probability = (Total number of possible outcomes) / (Number of favorable outcomes)

• Probability = (Number of unfavorable outcomes) / (Total number of possible outcomes)

• Probability = (Number of favorable outcomes) + (Total number of possible outcomes)

What is the experimental probability of spinning a green on a spinner with 5 equal sections labeled red, blue, green, yellow, orange, if it lands on green 2 times out of 15 spins?

• 1/5

• 2/15

• 1/3

• 3/15