The Birthday Problem
People are curious about age, but how about integrating date of birth, statistics and a stand up fun exercise to discover shared birthdays in the room? With 70 people, there is a % chance of a shared birthday!
How to run it
- Ask participants to arrange themselves by birth month
- Ask each month group to discover if anyone has the same birthday
- Discuss/share why this exercise is interesting use statistics below either as a large group or in small
- Discuss the 80/20 principle and how the group can achieve most of their objectives by focusing on the
- Discuss star signs and why these are good/not good
- In probability theory, the birthday problem or birthday paradox concerns the probability that, in a set of randomly chosen people, some pair of them will have the same birthday
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Prompts to use +
Ask participants to arrange themselves by birth month
Ask each month group to discover if anyone has the same birthday
Discuss/share why this exercise is interesting use statistics below either as a large group or in small
Discuss the 80/20 principle and how the group can achieve most of their objectives by focusing on the
Discuss star signs and why these are good/not good
In probability theory, the birthday problem or birthday paradox concerns the probability that, in a set of randomly chosen people, some pair of them will have the same birthday
Run this with your AI assistant +
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Adapt this exercise for my exact room. Exercise: The Birthday Problem. Readiness: Publishable Draft. Core moves: Ask participants to arrange themselves by birth month; Ask each month group to discover if anyone has the same birthday; Discuss/share why this exercise is interesting use statistics below either as a large group or in small; Discuss the 80/20 principle and how the group can achieve most of their objectives by focusing on the. Return a concise facilitator script with timing, wording, safety notes, and remote/in-person adjustments.
Origin unverified
- Where we observed it: The strongest current observations come from Relationship Makers Handbook; aggregators are listed as additional observations, not origin proof. (1 source observed, including Relationship Makers Handbook.)
- What that means: we track where an exercise has been observed in public sources. We do not claim to know who created it, or how popular it is.
- No efficacy claims: appearing in this library is not a claim that the exercise is proven effective. Facilitator judgment and context decide whether it works for a given room.
- Corrections: if you have evidence of an earlier or more accurate source, read our methodology and trust boundary and tell us.