Probability Quiz

What is a probability of 0 on a probability line?

• Impossible

• Certain

• Likely

• Unpredictable

Which of the following represents a probability of 1/2?

• 25%

• 50%

• 75%

• 100%

In the context of probability, what does a trial involve?

• Conducting multiple experiments

• Predicting outcomes accurately

• Random outcome process

• Certain results

What does a probability of 1 suggest?

• The event is impossible

• The event is certain

• The event is likely

• The event is unpredictable

How do you calculate the probability of an event using fractions?

• Divide the total by the number of favorable outcomes

• Multiply the total by the number of outcomes

• Add up all possible outcomes

• Subtract the number of outcomes

If you add up the probabilities of all possible outcomes of a trial, what should the total be?

• 0

• 0.5

• 1

• 2

What can you infer if the probability of an event is 0.5?

How does increasing the number of trials affect the outcome in probability experiments?

• Provides certain results

• Makes results more unpredictable

• Increases the chances of reaching expected probabilities

• Decreases the relevance of probabilities

What is the probability of spinning a blue on a spinner with 16 equally sized sectors?

• 10%

• 25%

• 31%

• 50%

When pulling out a marble from a bag with 3 green, 7 yellow, and 1 white marbles, what is the probability of pulling out a yellow marble?

• 14%

• 36%

• 64%

• 82%