Probability: The odd man pays for the coffee - BARC Finals

Basic Algebra Review Course (BARC)
Link to BARC: https://mathalino.com/node/18037

LINK TO FINAL EXAM
This is one of the problems in the Final Exam of Basic Algebra Review Course at MATHalino. We suggest you take the exam first before watching this video. Go to https://mathalino.com/node/18159 and click the Take tab to start the exam. Registration is optional.

IN THIS VIDEO:
Three people toss a coin, and the odd man pays for the coffee. If the coins all turn up the same, they are tossed again. Find the probability that fewer than 4 tosses are needed.

SOLUTION TO FINAL EXAM
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Phone numbers:    • Number of Seven-Digit Phone Numbers f...  
Red and black socks:    • Probability: Red and Black Socks in D...  
Steps on escalator:    • Number of Steps On The Escalator: M. ...  
Truth serum:    • Conditional Probability: Innocent Tag...  
Taller and heavier husbands:    • Husbands who are taller and heavier t...  
Substance into a solution:    • Substance Goes Into a Solution at a C...  
Car nearly hit me:    • A car nearly hit me! - BARC Finals  
Guessing the exam:    • Probability to correctly guess 25 to ...  
Alcohols to minors:    • Probability: Alcoholic drinks served ...  
Snatchers are addicts:    • Probability: Snatchers are Drug Addic...  
Monthly dues of condo:    • Probability: Increase in monthly dues...  
Two-stage missile:    • Conditional Probability: Two-stage Mi...  
Arrived early by train:    • A man arrived too early by train and ...  
Triangle from square lot:    • Neighbor ask to buy a triangular area...  
Unbalanced coin:    • Probability: Unbalanced Coin - BARC F...  
Two kinds of sherry:    • Mixture Problems: Two kinds of sherry...  
Spider and fly:    • Probability: Survival of a fly that a...  
Odd man pays the coffee:    • Probability: The odd man pays for the...  

BACKGROUND MUSIC
Fluidscape by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/...
Source: http://incompetech.com/music/royalty-...
Artist: http://incompetech.com/