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% of the population on an IQ test.

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

Question

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% of the population on an IQ test. 

(a)  What IQ score should one have in order to be eligible for Mensa?

amistre64 · Answer

a score in the top 2% ...

amistre64 · Answer

what is your test statistic ....

anonymous · Answer

They are looking for the actual score @amistre64

amistre64 · Answer

yes they are, so you need to determine the test statistic for this distribution

anonymous · Answer

I don't know how to do that

amistre64 · Answer

are you using tables or something like a ti83

anonymous · Answer

no I'm not using anything @amistre64

amistre64 · Answer

if your not using anything, then you wont be able to complete this

amistre64 · Answer

you need to determine the z score related an area of .0200  and work the z score formula backwards to find the x value

amistre64 · Answer

if you dont know what any of this means .... then you are simply not prepared for this question and need to review your material.