An unbiased coin is tossed. If the outcome is a head then a pair of unbiased dice is rolled and the sum of the numbers obtained on them is noted. If the toss of the coin results tail then a card from a wellshuffled pack if nine cards numbered 1, 2, 3,…..9 is randomly picked and the numbered of the card is noted. The probability of the noted number is 7 or 8 is : 

(a) 

(b) 

(c) 
(d) 
An unbiased coin is tossed. If the outcome is a head then a pair of unbiased dice is rolled and the sum of the numbers obtained on them is noted. If the toss of the coin results tail then a card from a wellshuffled pack if nine cards numbered 1, 2, 3,…..9 is randomly picked and the numbered of the card is noted. The probability of the noted number is 7 or 8 is : 

(a) 

(b) 

(c) 
(d) 