r95% confidence, z=1.96 ir 80% confidence, z=1.28 Question 1 If there are 700 test examples and the accuracy on them is 90%, with 95% confidence the upper bound (expressed as 0.xyz, e.g. 0.124 ) of the accuracy is Question 2 If there are 700 test examples and the accuracy on them is 90%, with 95% confidence the lower bound of the accuracy (expressed as 0.xyz ) is Question 3 25 pts If there are 700 test examples and the accuracy on them is 90%, with 80% confidence the upper bound of the accuracy is