Assume you plan to construct a 95% confidence interval. The numbers of online applications from simple random samples of college applications for 2003 and for the current year are given below. Find (a), the margin of error E, and (b) the 95% confidence interval.
|
2003 |
current year |
Number of applications in sample |
32 |
26 |
Number of online applications in sample |
11 |
13 |
Margin of error must be rounded to 5 decimal places.
Confidence interval rounded to 4 decimal palces