Probability distribution (AQA GCSE Statistics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What does a probability distribution show?
What does a probability distribution show?
All possible outcomes and their probabilities
What is the probability of getting exactly 2 heads in 3 fair coin tosses?
What is the probability of getting exactly 2 heads in 3 fair coin tosses?
0.375
What is a key feature of binomial distribution?
What is a key feature of binomial distribution?
Fixed number of trials
If p = 0.3, what is q?
If p = 0.3, what is q?
0.7
What is the probability of two failures?
What is the probability of two failures?
q^2
What does 2pq represent?
What does 2pq represent?
Exactly one success
What is the probability of both beads being white?
What is the probability of both beads being white?
25/64
If there are 30 white beads in 64 total beads, what is the probability of drawing one white bead?
If there are 30 white beads in 64 total beads, what is the probability of drawing one white bead?
30/64
What is the probability of not rolling a 6 in one roll of a fair die?
What is the probability of not rolling a 6 in one roll of a fair die?
0.8
What should you check in binomial problems?
What should you check in binomial problems?
If p + q = 1