An ice cream store wants to expand its range of flavours, and has decided to do some research to select which flavours to add. Customers were presented with a range of new flavours, and asked which one they would like to try, if any.
The codes are as follows:
1 - Pecan and fudge
2 - Apple pie
3 - Banana caramel ripple
4 - Ginger and honey
5 - Would not try any of these flavours
Create a 95% confidence interval estimate for the percentage of customers who would try the banana caramel ripple flavour.