SOLUTION: 2- Mensa, the international high-IQ society, accepts members that are in the upper 2% of the population. Given that IQ is distributed normally with a mean of 100 and a standard dev

Question 1106625: 2- Mensa, the international high-IQ society, accepts members that are in the upper 2% of the population. Given that IQ is distributed normally with a mean of 100 and a standard deviation of 15, what score must one have to qualify for Mensa?
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
98% or 0.98 of the population scores below the upper 2% level
:
z-value for 98% is 2.05
:
2.05 = ( X - 100 ) / 15
:
X - 100 = 2.05 * 15 = 30.75
:
X = 130.75 approximately 131
:

RELATED QUESTIONS
Please help! Homework question. A person must score in the upper 2% of the population... (answered by nabla,MathLover1)

Mensa is an international high IQ society. To gain membership into this organization, an... (answered by Fombitz)

Let expectation = 100. Mean = 15 answer the questions below. 1. Only people with IQ... (answered by ewatrrr)

only people with IQ scores in the top 2% of the population are allowed to register to the (answered by ewatrrr)

Mensa is an organization whose members possess IQ that are in the top 2% of the... (answered by ewatrrr)

IQ scores are normally distributed with a mean of 100 and a standard deviation of 15.... (answered by VFBundy)

It has been found that IQ scores are normally distributes with a mean of 108 and a... (answered by stanbon)

MENSA is an international organization requiring a high IQ for membership. To qualify (answered by Theo)