HardMath and Logic
Flip 4 coins. At least 2 are tails. Probability exactly 3 are tails?
Riddle
Flip 4 coins. At least 2 are tails. Probability exactly 3 are tails?
Choose an answer
A.1/4
B.5/11
C.1/2
D.2026-04-11
Hint: It's a 2-word phrase with 0 letters, starting with "2".
Answer
2026-04-11
Why this is the answer
Total outcomes are 16. Out of 16, 11 have >= 2 tails. Out of those 11, exactly 4 outcomes have 3 tails {TTTH, TTHT, THTT, HTTT}.
This riddle is filed under Expert Riddles for Adults and rated Hard.
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