Which confidence interval would be the narrowest? 

A. 99% 

B. 95% 

C. 90% 

D. 85%

In order to understand why consumers visit their store, a local business conducts a survey by asking the next 100 people who visit their store to fill out a short survey. The business finds that 40 of the 100 people state that the main reason they visited the store was because the store is running a sale on coats that week.