Estimating Probabilities (VCE SSCE Mathematical Methods): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What are subjective probabilities based on?
What are subjective probabilities based on?
Personal experience or judgment
A coin is flipped 80 times, landing heads 52 times. What is the relative frequency of heads?
A coin is flipped 80 times, landing heads 52 times. What is the relative frequency of heads?
What happens to relative frequency as the number of trials increases?
What happens to relative frequency as the number of trials increases?
It converges toward true probability
Two experiments estimate a probability: 40 trials vs 120 trials. Which estimate is preferred?
Two experiments estimate a probability: 40 trials vs 120 trials. Which estimate is preferred?
The estimate from 120 trials
Jan records 15 successes in 30 trials, Lee records 25 in 50 trials. Best combined estimate?
Jan records 15 successes in 30 trials, Lee records 25 in 50 trials. Best combined estimate?
What does simulation mean in probability?
What does simulation mean in probability?
To imitate or model an experiment
For area-based probability with equally likely points, what formula is used?
For area-based probability with equally likely points, what formula is used?
A circle of area 25 cm² inside a square of area 100 cm². Probability dart lands in circle?
A circle of area 25 cm² inside a square of area 100 cm². Probability dart lands in circle?
How can probability be interpreted in the long run?
How can probability be interpreted in the long run?
Proportion of times event occurs
If you repeat an experiment, results will generally differ. What does this indicate?
If you repeat an experiment, results will generally differ. What does this indicate?
Natural variation, not unreliability