The weights of a large number of miniature poodles are approximately normally distributed with a mean of 8 kilograms and a standard deviation of 0.9 kilogram. If measurements arc recorded to the nearest tenth of a kilogram, find the fraction or these poodles with weights

(a) Over 9.5 kilograms:

(b) At most 8.6 kilograms;

(c) Between 7.3 and 9.1 kilograms inclusive.