Bagrut (Secondary School Matriculation) · Mathematics
Probability and statistics
10 practice questions, each with the answer and an explanation.
Practise Probability and statistics now
Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.
All 10 questions
- A trial succeeds with probability 1/3. It is repeated 3 times independently. What is the probability of exactly 2 successes?
- P(A) = 3/10, P(B|A) = 1/2 and P(B|not A) = 1/4. What is P(A|B)?
- A trial succeeds with probability 1/4. It is repeated 5 times independently. What is the probability of exactly 1 success?
- P(A) = 3/10, P(B|A) = 1/5 and P(B|not A) = 1/10. What is P(A|B)?
- A trial succeeds with probability 1/4. It is repeated 5 times independently. What is the probability of exactly 2 successes?
- P(A) = 2/5, P(B|A) = 1/5 and P(B|not A) = 1/10. What is P(A|B)?
- P(A) = 1/2, P(B|A) = 1/2 and P(B|not A) = 2/5. What is P(A|B)?
- P(A) = 2/5, P(B|A) = 1/2 and P(B|not A) = 1/10. What is P(A|B)?
- P(A) = 3/10, P(B|A) = 1/5 and P(B|not A) = 2/5. What is P(A|B)?
- P(A) = 3/10, P(B|A) = 3/5 and P(B|not A) = 1/10. What is P(A|B)?
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