Tag: linearity-of-expectation
Interview Questions
- How many people get their own hat back?
- Ants on a square, and how many collisions to expect
- Expected number of distinct birthdays in a room of 30
- Expected number of people who get their own hat back
- Expected number of record highs in a random sequence
- Expected number of HT patterns in 100 coin flips
- Expected number of distinct faces in six rolls
- How many rolls to see all six faces?
- Expected number of out-of-order pairs
- Expected number of local peaks
- Expected number of upward steps
- Expected number of record highs
- Expected position of the first spade
- First and last golden ticket in a row of chocolate bars
- Expected position of the first ace
- Expected number of shared-birthday pairs
- Expected number of empty bins
- Expected number of new highs in a random ranking
- Expected number of distinct faces in six die rolls
- Expected number of hat matches