A political pollster wants to know what proportion of voters are planning to vote for the incumbent candidate in an upcoming election. A poll of 150
150150 randomly selected voters is taken from the more than
2
,
000
2,0002, comma, 000 voters in the population, and
60
%
60%60, percent of those selected plan to vote for the incumbent candidate. The pollster wants to use this data to construct a one-sample
z
zz interval for a proportion.