Statistics Flashcards: Conditional Probability And Independence

Study Conditional Probability And Independence in Statistics with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

State an equivalent independence condition using only $P(A\cap B)$ , $P(A)$ , and $P(B)$ .

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ANSWER

$A$ and $B$ are independent if $P(A\cap B)=P(A)P(B)$ . Product rule holds when events don't influence each other.

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Statistics: Independence & Conditional Probability

You are hereConditional Probability and Independence35 cards

Describing Events in Sample Spaces40 cards

Explaining Conditional Probability in Everyday Situations39 cards

Understanding Independent Events37 cards

Using Two-Way Tables for Probability39 cards

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35 cards

What this deck covers

This deck focuses on Conditional Probability And Independence, giving you a quick way to review the definitions, rules, and examples that matter most for Statistics.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 37Practice questions for this set

A company finds

P(A)=0.50

P(B)=0.40

, and

P(A\cap B)=0.30

, where event

A

is "an employee completed training" and event

B

is "an employee received a promotion." Based on the information given, are

A

and

B

independent? Use conditional probability by comparing

P(A\mid B)

and

P(A)

Choose an answer

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