for a normal distribution, find the z-score location that divides the distribution as follows:

a. Separate the top 20% from the rest
b. Separate the top 60% from the rest
c. Separate the middle 70% from the rest.

Respuesta :

A. seperate the top 20% from the rest
that is the only possible asnwer
20 over here Β  Β  Β  Β  Β  Β  Β  60 over here Β  Β  Β  Β  Β  Β and 70 over here
Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β Β 

this is the first
20% of theΒ 
data