Question of the day
2026-07-11
Brain Teasers
Flip a fair coin 4 times. What is the probability you get more heads than tails?
Answer it out loud first — like you would in the room. Then check yourself:
Reveal the model answer
Model answer
More heads means 3 or 4 heads: [C(4,3) + C(4,4)] / 2^4 = (4 + 1)/16 = 5/16 ≈ 31.25%. By symmetry P(more tails) is also 5/16, and P(tie, 2-2) = 6/16.
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