When 415 junior college students were surveyed, 150 said they have a passport. constructa 95% confidence interval for the proportion of junior college students that have apassport. round to the nearest thousandth?
Accepted Solution
A:
Solution: The 95% confident interval will be estimated as follows:
sample proportion: 150/415=0.362
ME=1.96*[0.362*0.638/415]=0.0011 thus 95% CI 0.362-0.0011<p<0.362+0.0011