Review — Difficulty 7/10
Probability · Random variables
Review skills for this standard. Write answers where shown.
Together with a parent
1. P(A) = 0.8, P(B) = 0.9. If independent, P(A∩B) = ___ 2. Binomial(n=15, p=0.5): P(X = 12) = ___ 3. E[X] for X with values {11, 13, 15} and equal probability ___
Written review
1. P(A) = 0.9000000000000001, P(B) = 1. If independent, P(A∩B) = ___ 2. Binomial(n=17, p=0.5): P(X = 14) = ___ 3. E[X] for X with values {13, 15, 17} and equal probability ___ 4. Variance of a fair die roll: ___ 5. Conditional: P(A|B) when P(A∩B) = 0.33999999999999997 ___ 6. Identify the distribution and parameters in context.
_See printable PDF for diagram._
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Skills checklist
- [ ] Computes probabilities from models
- [ ] Finds expectation and variance
- [ ] Chooses appropriate distributions
- [ ] Explains Random variables without prompts
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