Consider the poll of Exercise 15.
a) Are the assumptions and conditions met?
b) Would the margin of error be larger or smaller for 95% confidence?

 

Data From  Exercise 15

An Ipsos/Reuters poll of 2214 U.S. adults voters in April and May 2017 asked a standard polling question of whether the United States was headed in the “Right Direction” or was on the “Wrong Track.” 54% said that things are on the wrong track vs. 33% who said “right direction.”