Statistics & Probability Flashcards: Using Probability To Make Fair Decisions

Study Using Probability To Make Fair Decisions in Statistics & Probability with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What is $P( ext{reroll})$ in the fair $0$ – $9$ method that rerolls only when $9$ occurs?

Tap card or press Space to flip

ANSWER

$rac{1}{10}$ . Only digit 9 triggers reroll in the 0-9 range.

1 / 30

Statistics & Probability: Evaluate Outcomes of Decisions

Analyzing Decisions and Strategies with Probability34 cards

Compare Strategies Using Expected Value33 cards

Find Expected Value of a Game37 cards

You are hereUsing Probability to Make Fair Decisions30 cards

All flashcards

30 cards

What this deck covers

This deck focuses on Using Probability To Make Fair Decisions, giving you a quick way to review the definitions, rules, and examples that matter most for Statistics & Probability.

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 47Practice questions for this set

Three students—Eli, Fatima, and Gio—volunteer to be class messenger, but only one can be chosen. The class wants a fair method, meaning each student has probability

1/3

of being selected. Which method gives each student an equal chance?

Choose an answer

Keep your progress across every deck

Free account · cards you mark are saved to it