In: Finance
alculate the 95% confidence intervals for the four different investments included in the following table.
| 
 Small shares  | 
 Large shares  | 
 Corporate bonds  | 
 Treasury notes  | 
|
| 
 Average annual return  (%)  | 
 20.26%  | 
 11.44%  | 
 6.65%  | 
 3.26%  | 
| 
 Standard deviation of returns (%)  | 
 42.91%  | 
 19.52%  | 
 6.58%  | 
 4.64%  | 
The 95% confidence interval of small shares is between nothing% and nothing%. (Enter your response as a percent rounded to two decimal places and put the lower number first.)
The 95% confidence interval of large shares is between nothing% and nothing%. (Enter your response as a percent rounded to two decimal places and put the lower number first.)
The 95% confidence interval of corporate bonds is between nothing% and nothing%. (Enter your response as a percent rounded to two decimal places and put the lower number first.)
The 95% confidence interval of Treasury notes is between nothing% and nothing%. (Enter your response as a percent rounded to two decimal places and put the lower number first.)