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Coins

Coins

In the following questions, unless specified otherwise, we will assume the use of standard, fair coins. A standard coin has two sides: heads and tails, with each side having an equal probability of landing face up in any given flip.

73 questions in this plan
Brain Teasers 4 questions
Question Subcategory Difficulty Status
Blind Sorting Symmetry Easy
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Coin Imbalance Summation Easy
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Pirates Dividing a Treasure Simplification Medium
Example
Unfair Coin Symmetry Easy
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Probability and Statistics 69 questions
Question Subcategory Difficulty Status
90 Cents Please Combinatorial Analysis Medium
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American Betting - Coins #1 Betting and Sizing Medium
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American Betting - Coins #2 Betting and Sizing Medium
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American Betting - Coins #3 Betting and Sizing Medium
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American Betting - Coins #4 Betting and Sizing Medium
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American Betting - Coins #5 Betting and Sizing Medium
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American Betting - Coins #6 Betting and Sizing Medium
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American Betting - Coins #7 Betting and Sizing Medium
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American Betting - Coins #8 Betting and Sizing Medium
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American Betting - Coins #9 Betting and Sizing Medium
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American Betting - Coins #10 Betting and Sizing Medium
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Biased Coin #1 Expected Value Medium
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Biased Coin #2 Expected Value Easy
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Biased Coin #3 Expected Value Easy
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Biased Coin #4 Expected Value Medium
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Biased Coin #5 Expected Value Medium
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Coin Race #1 General Easy
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Coin Race #2 Combinatorial Analysis Medium
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Coins and Dice Expected Value Easy
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Coin Series #1 Markov Chain Probability Easy
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Coin Series #2 Markov Chain Probability Medium
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Coin Series #3 Markov Chain Probability Medium
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Coins in Boxes General Easy
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Coin Toss #1 Conditional Probability Medium
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Coin Toss #2 Expected Value Easy
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Decimal Betting - Coins #1 Betting and Sizing Medium
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Decimal Betting - Coins #2 Betting and Sizing Medium
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Decimal Betting - Coins #3 Betting and Sizing Medium
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Decimal Betting - Coins #4 Betting and Sizing Medium
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Decimal Betting - Coins #5 Betting and Sizing Medium
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Decimal Betting - Coins #6 Betting and Sizing Medium
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Decimal Betting - Coins #7 Betting and Sizing Medium
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Decimal Betting - Coins #8 Betting and Sizing Medium
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Decimal Betting - Coins #9 Betting and Sizing Easy
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Decimal Betting - Coins #10 Betting and Sizing Medium
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Dice vs Coins Expected Value Medium
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Double Down Coin Bet Expected Value Easy
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Even Heads General Easy
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Fair or Unfair Coin Conditional Probability Easy
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First Flip Wins Expected Value Easy
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First to Heads Conditional Probability Medium
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Flip 4 Coins Expected Value Medium
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Flip 100 Coins Expected Value Medium
Example
Flipping a Coin #1 Combinatorial Analysis Easy
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Flipping a Coin #2 Combinatorial Analysis Medium
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Fractional Betting - Coins #1 Betting and Sizing Medium
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Fractional Betting - Coins #2 Betting and Sizing Medium
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Fractional Betting - Coins #3 Betting and Sizing Medium
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Fractional Betting - Coins #4 Betting and Sizing Medium
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Fractional Betting - Coins #5 Betting and Sizing Medium
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Fractional Betting - Coins #6 Betting and Sizing Medium
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Fractional Betting - Coins #7 Betting and Sizing Medium
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Fractional Betting - Coins #8 Betting and Sizing Medium
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Fractional Betting - Coins #9 Betting and Sizing Medium
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Fractional Betting - Coins #10 Betting and Sizing Medium
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Gambler's Ruin #1 General Easy
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Gambler's Ruin #2 General Easy
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Gambler's Ruin #3 General Medium
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Going to the Beach #2 General Hard
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Max Three Tails Combinatorial Analysis Easy
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Meeting Probability General Easy
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Remaining Coins Expected Value Medium
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Same Flips Expected Value Easy
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Second Heads Conditional Probability Medium
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Stock Price Coin Flip Combinatorial Analysis Easy
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Two at a Time Expected Value Easy
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Unfair Heads #1 Conditional Probability Medium
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Unfair Heads #2 Conditional Probability Medium
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Walking Home #1 General Easy
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