SOLUTION: how many young adults should be interviewed to estimate the proportion of the young adult population who earn less than $15000 to within .03 with 90 perfent confindence?
Algebra ->
Probability-and-statistics
-> SOLUTION: how many young adults should be interviewed to estimate the proportion of the young adult population who earn less than $15000 to within .03 with 90 perfent confindence?
Log On
Question 1105710: how many young adults should be interviewed to estimate the proportion of the young adult population who earn less than $15000 to within .03 with 90 perfent confindence? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! how many young adults should be interviewed to estimate the proportion of the young adult population who earn less than $15000 to within .03 with 90 percent confindence?
---------------------
n = [z*s/E]^2
-----
n = [1.645*s/0.03]^2
----
Note:: You need the standard deviation to determine "n".
Note:: n must be rounded up to the next whole number
-------------
Cheers,
Stan H.
------------
(