free diagnosticupgrade
  1. browse cram archives
  2. ap statistics
  3. AP Statistics - Conditional Probability & Independence

ap statistics - conditional probability & independence

originally streamed in 2020 with Josh ArgoTeacher
subscribe
Learn how conditional probability and independence work in AP Statistics. This video helps you calculate P(A|B), test for independence, and apply the multiplication rule—perfect for your AP exam prep. You'll work through real examples like antibody ...more

covered in this stream

units
Unit 4 – Probability, Random Variables, and Probability Distributions
topics
4.5 Conditional Probability4.6 Independent Events and Unions of Events4.4 Mutually Exclusive EventsConditional Probability and IndependenceRandomness, Probability and Simulation

timestamps

  • 0:00

    Welcome and Overview

  • 0:32

    Social Media Plug

  • 1:03

    Probability Rules Review

  • 2:05

    Union and Or Probability

  • 3:38

    Intersection and And Probability

  • 4:40

    Conditional Probability Notation

  • 6:13

    Independence Definition

  • 7:45

    Disjoint Events Explanation

  • 9:48

    School Lunches Example

  • 11:51

    Conditional Probability Calculation

  • 13:55

    Independence Check

  • 16:42

    Union Probability Example

  • 20:16

    Intersection Probability

  • 21:50

    Tree Diagrams Introduction

  • 23:24

    Antibody Test Example

  • 25:33

    Tree Diagram Calculations

  • 27:42

    Simulation with Two-Way Table

  • 29:12

    Building Simulation Table

  • 31:55

    Practice Probability Questions

  • 34:47

    Independence in Simulation

  • 36:51

    FRQ-Style Question Introduction

  • 38:23

    Supplement Study Data

  • 39:28

    Experimental Study Explanation

  • 41:31

    Random Assignment Process

  • 47:51

    Probability Calculations

  • 49:31

    Two-Way Table for Study

  • 51:04

    Inference Conditions Check

  • 53:50

    Z-Score and Conclusion

  • 58:09

    Final Comments and Closing

  • 58:54

    Stream Wrap-Up

more on these topics
AP Statistics CRAM – Probability & Random Variables

59:08

AP Statistics CRAM – Probability & Random Variables

2021 · Josh Argo

AP Statistics - Q&A: Probability, Inference & Distributions

1:06:19

AP Statistics - Q&A: Probability, Inference & Distributions

2020 · Josh Argo

AP Statistics CRAM – Probability Rules & Random Variables

1:20:02

AP Statistics CRAM – Probability Rules & Random Variables

2019 · Jerry Kosoff

AP Statistics - Conditional Probability & Independence

46:42

AP Statistics - Conditional Probability & Independence

2019 · Shane Durkan

AP Statistics - Unit 4: Probability Fundamentals

35:57

AP Statistics - Unit 4: Probability Fundamentals

2019 · Jerry Kosoff

up next in ap statistics
AP Statistics CRAM – Hypothesis Tests & Confidence Intervals

1:44:18

AP Statistics CRAM – Hypothesis Tests & Confidence Intervals

2024 · Josh Argo & Nina Pierce

AP Statistics CRAM – Full Course Review

5:01:13

AP Statistics CRAM – Full Course Review

2020

AP Statistics CRAM – FRQ Practice & Rubrics (Units 1-4)

56:56

AP Statistics CRAM – FRQ Practice & Rubrics (Units 1-4)

2020

AP Statistics - Hypothesis Tests for Means (t-tests)

1:07:00

AP Statistics - Hypothesis Tests for Means (t-tests)

2020 · Jerry Kosoff

AP Statistics - Normal Distributions & Empirical Rule

46:04

AP Statistics - Normal Distributions & Empirical Rule

2019 · Shane Durkan

more from Josh Argo
AP Statistics CRAM – Inference & Hypothesis Testing

3:03:09

AP Statistics CRAM – Inference & Hypothesis Testing

2024 · Josh Argo, Bethany Lloyd, Nina Pierce, Emily Lu, Maryam Solaiman, and Jed Quiaoit

AP Statistics - Exam Prep Preview Session 2

1:10:57

AP Statistics - Exam Prep Preview Session 2

2024 · Jed Quiaoit, Bethany Lloyd, and Josh Argo

AP Statistics - Formula Sheet Breakdown & Strategy

58:56

AP Statistics - Formula Sheet Breakdown & Strategy

2020 · Josh Argo

AP Statistics - Exploring Two Variable Data

58:42

AP Statistics - Exploring Two Variable Data

2020 · Josh Argo

Fiveable

Study Content & Tools

Study GuidesFRQs + AI ScoringAP Essay Grader for StudentsAI Grading for TeachersPractice QuestionsGlossaryScore Calculators

Company

What's New?PricingBulk DiscountsTestimonialsFAQsEmail us

Resources

AP Exam Schedule 2027AP ClassesAP ClassroomEasiest AP ClassesHardest AP ClassesAP vs IBAP vs Dual EnrollmentAP vs Honors ClassesAP Scholar Awards

every AP exam is fiveable

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 precalculus📊 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 anatomy🐇 honors biology👩🏽‍🔬 honors chemistry💲 honors economics📐 honors geometry⚾️ 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

hs classes

🏛️ alabama history⛰️ appalachian studies🌴 california history🌍 earth science🌐 ethnic studies🐊 florida history🍑 georgia history🌎 global studies🌺 hawaiian studies📰 journalism🪶 native american studies🌵 new mexico history🤠 oklahoma history⚗️ physical science🎙️ speech and debate🤝 texas government🤠 texas history🌲 washington state history🕊️ world religions

RefundsTermsPrivacyCCPAAI TransparencySchool Data Privacy

© 2026 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.

every AP exam is fiveable

Fiveable

Study Content & Tools

Study GuidesFRQs + AI ScoringAP Essay Grader for StudentsAI Grading for TeachersPractice QuestionsGlossaryScore Calculators

Company

What's New?PricingBulk DiscountsTestimonialsFAQsEmail us

Resources

AP Exam Schedule 2027AP ClassesAP ClassroomEasiest AP ClassesHardest AP ClassesAP vs IBAP vs Dual EnrollmentAP vs Honors ClassesAP Scholar Awards

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 precalculus📊 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 anatomy🐇 honors biology👩🏽‍🔬 honors chemistry💲 honors economics📐 honors geometry⚾️ 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

hs classes

🏛️ alabama history⛰️ appalachian studies🌴 california history🌍 earth science🌐 ethnic studies🐊 florida history🍑 georgia history🌎 global studies🌺 hawaiian studies📰 journalism🪶 native american studies🌵 new mexico history🤠 oklahoma history⚗️ physical science🎙️ speech and debate🤝 texas government🤠 texas history🌲 washington state history🕊️ world religions
RefundsTermsPrivacyCCPAAI TransparencySchool Data Privacy

© 2026 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.