For a chi-squared distribution, find (a) 2 0.025 when v = 15; (b) 2 0.01 when v = 7; (c) 2 0.05 when v =

For a chi-squared distribution, find

(a) χ2 0.025 when v = 15;

(b) χ2 0.01 when v = 7;

(c) χ2 0.05 when v = 24.