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  1. All Key Terms
  2. Intro to Probability

Browse all Intro to Probability Key Terms

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λ
λ (lambda)
μ
σ = √var(x)
σ²
φ
ω (omega)
∩
∪
1-p
95% confidence level
99% confidence level

A

A - b (difference)
A ∩ b
A ∩ b (intersection)
A ∪ b (union)
A/B Testing
A^c (complement)
Addition of pgfs
Addition Principle
Addition Rule
Addition rule for mutually exclusive events
Addition rule for non-mutually exclusive events
Additive Property
Additivity
Almost Sure Convergence
Alternative Hypothesis
Approximation
Area Calculation
Arrangements
Arranging books on a shelf
Arrival of buses at a bus stop
Arrival Times of Events
Asset Correlation
Associative Property
Asymptotic Behavior
Asymptotic normality
Autocorrelation

B

Bayes Factor
Bayes' Theorem
Bayesian credible intervals
Bayesian factor
Bayesian Inference
Bayesian Networks
Bayesian updating
Bell curve
Bernoulli Distribution
Bernoulli random variable
Bernoulli trial
Beta
Beta distribution
Binary outcome
Binomial Coefficient
Binomial Coefficients
Binomial Distribution
Binomial formula
Binomial Theorem
Bivariate Data
Bivariate Distribution
Bivariate Normal Distribution
Blaise Pascal
Bootstrap method
Bootstrap methods
Borel-Cantelli Lemma
Branches

C

C(n, k)
C(n,k)
Calculating Moments
Calculating probabilities
Calculating probabilities in games
Car Accidents at Intersection in a Month
Card Games
Cards drawn from deck without replacement
Cart (classification and regression trees)
Catalan numbers
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every AP exam is fiveable

Fiveable
Study Content & Tools
Study GuidesPractice QuestionsGlossaryScore Calculators
Company
Get $$ for referralsPricingTestimonialsFAQsEmail us
Resources
AP ClassesAP Classroom
history
🌎 ap world history🇺🇸 ap us history🇪🇺 ap european history
social science
✊🏿 ap african american studies🗳️ ap comparative government🚜 ap human geography💶 ap macroeconomics🤑 ap microeconomics🧠 ap psychology👩🏾‍⚖️ ap us government
english & capstone
✍🏽 ap english language📚 ap english literature🔍 ap research💬 ap seminar
arts
🎨 ap art & design🖼️ ap art history🎵 ap music theory
science
🧬 ap biology🧪 ap chemistry♻️ ap environmental science🎡 ap physics 1🧲 ap physics 2💡 ap physics c: e&m⚙️ ap physics c: mechanics
math & computer science
🧮 ap calculus ab♾️ ap calculus bc📊 ap statistics💻 ap computer science a⌨️ ap computer science p
world languages
🇨🇳 ap chinese🇫🇷 ap french🇩🇪 ap german🇮🇹 ap italian🇯🇵 ap japanese🏛️ ap latin🇪🇸 ap spanish language💃🏽 ap spanish literature

go beyond AP

high school exams
✏️ PSAT🎓 Digital SAT🎒 ACT
honors classes
🍬 honors algebra II🐇 honors biology👩🏽‍🔬 honors chemistry💲 honors economics⚾️ honors physics📏 honors pre-calculus📊 honors statistics🗳️ honors us government🇺🇸 honors us history🌎 honors world history
college classes
👩🏽‍🎤 arts👔 business🎤 communications🏗️ engineering📓 humanities➗ math🧑🏽‍🔬 science💶 social science
TermsPrivacyCCPA
© 2025 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.