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Grade: 12th pass
        
In the game of Risk, the attacker wins a territory if the larger of the two numbers he gets when he rolls two dice is greater than or equal to the number obtained by the defender rolling one die. What is the probability that the attacker will win a territory?
 
i tried taking the sample space. but i dont know how to proceed. can someone pease help me with this 
8 months ago

Answers : (1)

Saurabh Koranglekar
askIITians Faculty
3161 Points
							Dear student

defender – {1,2,3,4,5,6}
attacher – { 1, {1,2,3,4,5,6} }, { 2, {1,2,3,4,5,6} }, { 3, {1,2,3,4,5,6} }, { 4, {1,2,3,4,5,6} }, { 5,{1,2,3,4,5,6} }, { 6, {1,2,3,4,5,6} };

for 1 of defender – 6+6+6+6+6+6 ways;
for 2 of defender – 5+6+6+6+6+6 ways;
for 3 of defender – 4+4+6+6+6+6 ways;
for 4 of defender – 3+3+3+6+6+6 ways;
for 5 of defender – 2+2+2+2+6+6 ways;
for 6 of defender – 1+1+1+1+1+6 ways;

Probability (attacker winning ) = (36+35+32+27+20+11) ./ (36*6)


8 months ago
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