Question 1099611
 Express the confidence interval 
73.4%±6.3% in the form of a trilinear inequality.
% looking for the two percents on either side of p 
--------
73.4%-6.3% < p < 73.4+6.3%
-----------
67.1% < p < 79.7%
---------
Cheers,
Stan H.
-------