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1. The scoring of the modern IQ tests is such that Intelligence Quotients (IQs) have Normal...

1. The scoring of the modern IQ tests is such that Intelligence Quotients (IQs) have Normal distribution with µ = 100 and σ = 15.

a. Mensa International is a non profit organization that accepts only people with IQ within the top 2%. What level of IQ qualifies one to be a member of Mensa?

Math   Statistics-And-Probability   
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Answer #1

Q.1) Given that, mean (μ) = 100 and

standard deviation = 15

a) We want to find, the value of x such that, P(X > x) = 0.02

Therefore, the level of IQ qualifies one to be a member of Mensa is 130.75

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