Algebra 2, Unit 7: Probability and Statistics. Key terms, formulas, and worked-example cues a high school student meets for this unit, building on prior units. Front: the term, formula name, or short problem cue. Back: the definition, formula, or solution method.
30 cards · basic cards · AI-written, checked twice. Edit anything.
- What is probability?
- A measure of how likely an event is to occur, between 0 and 1
- What is the probability of an impossible event?
- 0
- What is the probability of a certain event?
- 1
- What is the formula for basic probability?
- Number of favorable outcomes divided by total possible outcomes
- What is a sample space?
- The set of all possible outcomes of an experiment
- What is an event in probability?
- A subset of the sample space
- What are independent events?
- Events where the outcome of one does not affect the outcome of the other
- What are dependent events?
- Events where the outcome of one affects the probability of the other
- What is the formula for the probability of two independent events both occurring?
- Multiply their individual probabilities
- What is mutually exclusive events?
- Events that cannot both occur at the same time
- What is the addition rule for mutually exclusive events?
- P(A or B) = P(A) + P(B)
- What is the general addition rule for probability?
- P(A or B) = P(A) + P(B) - P(A and B)
- What is conditional probability?
- The probability of an event occurring given that another event has already occurred
- What is the notation for conditional probability?
- P(A | B)
- What is a permutation?
- An arrangement of objects where order matters
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