Ten coins were tossed together a number of times. The distribution of the number of heads obtained is given in the following table : No of heads 0 1 2 3 4 5...

Ten coins were tossed together a number of times. The distribution of the number of heads obtained is given in the following table :

Calculate, correct to three decimal places, the :

(a) mean number of heads ;

(b) probability of getting an even head ;

(c) probability of getting an odd number.