The meaning of probability (AQA GCSE Statistics): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is expected frequency in statistics?
What is expected frequency in statistics?
A prediction based on probability
How do you calculate expected frequency?
How do you calculate expected frequency?
P(A) × number of trials
What does P(A) represent?
What does P(A) represent?
Probability of event A
If P(A) = 0.25 and trials = 80, expected frequency?
If P(A) = 0.25 and trials = 80, expected frequency?
20
Why is rounding important in expected frequency?
Why is rounding important in expected frequency?
To ensure whole number results
What is a key distinction of expected frequency?
What is a key distinction of expected frequency?
It is a prediction, not a guarantee
What happens with more trials in experiments?
What happens with more trials in experiments?
Results align closer to expected
In a dice roll, P(rolling > 4) is?
In a dice roll, P(rolling > 4) is?
1/3
What is the expected frequency for 100 trials with P(A) = 0.5?
What is the expected frequency for 100 trials with P(A) = 0.5?
50
What is a common exam tip for expected frequency?
What is a common exam tip for expected frequency?
Show all working clearly