Probability of Simple Events Quiz

What is an outcome in the context of probability?

• A guaranteed result

• A possible result of a probability experiment

• A certain event

• A collection of experiments

How is the probability of an event defined?

• The ratio of favorable outcomes to possible outcomes

• The number of unfavorable outcomes

• The total number of outcomes

• The number of possible outcomes

What is the probability of selecting a yellow block from a set of 8 red, 7 blue, and 5 yellow blocks?

• 1/3

• 1/4

• 1/5

• 1/2

How would you describe the likelihood of randomly selecting a yellow block from the set?

• Certain

• Unlikely

• Impossible

• Equally likely

What is a sample space in probability?

• The set of certain outcomes

• The set of unlikely outcomes

• The set of favorable outcomes

• The set of all possible outcomes

What is the probability of rolling a four or five on a number cube?

• 1/4

• 1/6

• 1/3

• 1/2

How would you describe the likelihood of rolling a four or five on a number cube?

• Impossible

• Certain

• Equally likely

• Unlikely

What is the complement of a set?

• The set of all possible outcomes

• The set of all objects that do not belong to the given set

• The set of all favorable outcomes

• The set of all objects that belong to the given set

What is the probability of not selecting a yellow block from a set of 8 red, 7 blue, and 5 yellow blocks?

• 1/4

• 1/2

• 3/4

• 1/3

How would you describe the likelihood of not selecting a yellow block from the set?

• Unlikely

• Likely

• Certain

• Impossible