I think the answer is 3/5, becoz all the trails/tossing coins are independent events. So even when it is 100th time the answer is 3/5.
On 8 August 2011 09:05, Kamakshii Aggarwal <kamakshi...@gmail.com> wrote: > i think the answer will be 1/5+ 4/5*1/2=3/5 > > coz the question is saying what is the probability of getting head* sixth > time*(when 5 heads were already there).. > > > it is not saying what is the probability of getting heads* 6 times*..(in > this case answer will be 17/180) > > > On Mon, Aug 8, 2011 at 9:54 AM, D.B. <sylve...@gmail.com> wrote: > >> 1/5+1/2^6 >> >> On Aug 7, 8:34 pm, Algo Lover <algolear...@gmail.com> wrote: >> > A bag contains 5 coins. Four of them are fair and one has heads on >> > both sides. You randomly pulled one coin from the bag and tossed it 5 >> > times, heads turned up all five times. What is the probability that >> > you toss next time, heads turns up. (All this time you don't know you >> > were tossing a fair coin or not). >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To post to this group, send email to algogeeks@googlegroups.com. >> To unsubscribe from this group, send email to >> algogeeks+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> >> > > > -- > Regards, > Kamakshi > kamakshi...@gmail.com > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- Regards Kumar Raja M.Tech(SIT) IIT Kharagpur, 10it60...@iitkgp.ac.in 7797137043. 09491690115. -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
