In the under-mentioned problems, find the critical values ^{x2/1 -a/2 and x2a/2} for the given level of confidence and sample size.

(a) 95% confidence, n = 25. Find the critical values. Enter the lesser of the two numbers here. Find the critical values, enter the greater of the two numbers.

(b) 99% confidence, n = 14. Find the critical values. Enter the lesser of the two numbers. Find the critical numbers and enter the greater of the two numbers.