Exploring Basic Probability

What is an example of probability in everyday life?

• Driving a car

• Predicting weather

• Choosing a book to read

• Cooking a meal

What does the sample space in probability represent?

• Unlikely outcomes

• None of the above

• Desired outcomes only

• All possible outcomes

What is the range of probabilities in any event?

• 0 to 0.5

• 0 to 1

• 0.5 to 1

• None of the above

What does a probability of 0 indicate about an event?

• It will happen occasionally

• It cannot happen

• It is unlikely to happen

• It is certain to happen

What does empirical probability involve?

• Calculating without data

• Guesswork

• Performing an actual experiment

• Theoretical analysis

According to the law of large numbers, what happens as the number of trials increases?

• Results get closer to the mean

• Probability decreases

• Results vary more

• All outcomes become equally likely

What is the probability of landing on a red wedge in a spinner with two red wedges out of eight?

• 20%

• 50%

• 75%

• 25%

What does the complement of an event represent in probability?

• The event occurring

• The event not occurring

• Both occurring and not occurring

• None of the above

In a simulation of a true/false quiz, what would raise suspicion of cheating?

• Getting less than 50% correct

• None of the above

• Getting exactly 50% correct

• Getting all answers correct

What is a common myth about probability?

• Probability only applies to games

• All events are equally likely

• Probability can predict short-term results accurately

• Past outcomes affect future results