Adult IQ scores have a bell-shaped distribution with a mean of 100 and a standard deviation of 15. Use the Empirical Rule to find the percentage of adults with scores between 70 and 130.
1) 99.7%
2) 95%
3) 100%
4) 68%

Question

angelic · Answer

Are sure that's the correct choices.

anonymous · Answer

yes ,however the website that provides the choices can provide incorrect answer choices :(

angelic · Answer

No.. I'm just asking cause I see you have 68% twice

anonymous · Answer

O.o wow i dont know what happened.. thats suppose to be a 95%

angelic · Answer

its 95

anonymous · Answer

thank you

anonymous · Answer

mind explaining how you got 95?

anonymous · Answer

nvm

angelic · Answer

i was tryna draw it buh ok