What iq score should one have in order to be eligible for, Ask an Expert

Statistics

IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Mensa is an international society that has one - and only one - qualification for membership: a score in the top 2% on an IQ test.

a) What IQ score should one have in order to be eligible for Mensa?

b) In a typical region of 65,000 people, how many are eligible for Mensa?

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