AP Statistics

Unit 4: Probability, Random Variables, and Probability Distributions

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AP Statistics

Unit 4: Probability, Random Variables, and Probability Distributions

10–20% of exam score

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A timed sectional mock on this unit

Probability rules, conditional probability and independence, random variables, and binomial and geometric distributions.

Key formula

P(X = k) = \binom{n}{k} p^k (1 - p)^{n - k}

What this unit covers

Probability rules and simulation
Conditional probability and independence
Mean and standard deviation of random variables
Binomial and geometric distributions

Unit 4: Probability, Random Variables, and Probability Distributions

What this unit covers

Other units in AP Statistics