Coins Playlist

All the coin questions on the platform

3 Heads 3 Tails I

Probability

Expected Value

Easy

Annie's Coin

Probability

Events

Easy

Coin Flipper Ruin

Probability

Events

Easy

Coin Streak

Probability

Expected Value

Easy

Confident Double Heads

Probability

Conditional Probability

Easy

Distinct Biased Coins

Probability

Continuous Random Variables

Conditional Probability

Easy

Equal Flip Timer

Probability

Discrete Random Variables

Easy

Expecting Heads

Probability

Conditional Expectation

Expected Value

Easy

Extra Coin

Probability

Conditional Probability

Discrete Random Variables

Easy

Head Tail Sequence

Probability

Events

Easy

Head-Tail Product

Probability

Discrete Random Variables

Expected Value

Easy

Minimal Flipping

Probability

Discrete Random Variables

Easy

Modified Even Coins

Probability

Conditional Probability

Easy

No Heads

Probability

Discrete Random Variables

Conditional Probability

Easy

Probability of Unfair Coin I

Probability

Easy

Probability of Unfair Coin II

Probability

Conditional Probability

Easy

Reflip

Probability

Games

Expected Value

Easy

3 Heads 3 Tails II

Probability

Expected Value

Medium

Coin Flipping Competition I

Probability

Discrete Random Variables

Conditional Probability

Medium

Coin Priors

Probability

Continuous Random Variables

Expected Value

Medium

Comparing Flips I

Probability

Conditional Probability

Medium

Comparing Flips II

Probability

Expected Value

Conditional Expectation

Discrete Random Variables

Medium

Dice-Coin Paradigm

Probability

Conditional Probability

Medium

Flip Again

Probability

Games

Expected Value

Medium

Heads and Tails I

Probability

Expected Value

Medium

Ken Flipping Coins

Probability

Expected Value

Discrete Random Variables

Medium

Odd Coin Flips

Probability

Conditional Probability

Discrete Random Variables

Medium

Relatively Prime Coins

Statistics

Discrete Random Variables

Medium

Repeated Flipper

Brainteasers

Events

Medium

Three Consecutive Heads

Probability

Expected Value

Medium

Coin Flipping Competition II

Probability

Discrete Random Variables

Continuous Random Variables

Hard

Coin Flipping Competition III

Probability

Discrete Random Variables

Conditional Probability

Hard

First Flip

Probability

Conditional Expectation

Discrete Random Variables

Hard

Head-Tail Equality

Probability

Expected Value

Hard

About

Over 30 coin-related questions you could see in interviews across the top trading firms.