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September 1st, 2013, 10:34 AM  #1 
Newbie Joined: Sep 2013 Posts: 1 Thanks: 0  Help required in solving question
The question that's torturing me, is the following: "Some boys and girls, more specific n boys and n girls, are at a camp. Every night, each boys gives a kiss to one randomly chosen girl. So do the girls. One of the teenagers however is infected with a contagious virus. You get infected with the virus if you kiss the person who's already infected. Once you're infected with the virus, the day after you're contagious too. Now, p_i is the probability that a random teenager is infected after spending i nights at the camp (thus, p_0 = 1/(2*n)). (a) determine p_1 (b) prove: p_(i+1) = 2 * p_i  (p_i)^2 if i >= 1" I sincerely hope someone could help me with this question. Ben 

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